1 00:00:00,040 --> 00:00:02,520 Speaker 1: Well, let's talk space as we do on a Monday 2 00:00:02,640 --> 00:00:05,200 Speaker 1: night with Dave Rennicky, and he's always happy to take 3 00:00:05,200 --> 00:00:07,160 Speaker 1: your calls on eight double two to three double o 4 00:00:07,320 --> 00:00:10,400 Speaker 1: double oh date, good evening. How are you good with 5 00:00:10,480 --> 00:00:10,760 Speaker 1: you again? 6 00:00:11,160 --> 00:00:11,320 Speaker 2: Yeah? 7 00:00:11,480 --> 00:00:15,120 Speaker 1: Likewise, I noticed on your website and astro Space News 8 00:00:15,120 --> 00:00:19,119 Speaker 1: for people who are curious, fascinating list of did you 9 00:00:19,320 --> 00:00:24,799 Speaker 1: knows about astronauts about space? Have you got it in 10 00:00:24,840 --> 00:00:26,200 Speaker 1: front of you? Do you want to run through some 11 00:00:26,239 --> 00:00:28,920 Speaker 1: of those? These? These are really really interesting. 12 00:00:30,560 --> 00:00:33,080 Speaker 2: Isn't it funny when you when you press something like that, 13 00:00:33,320 --> 00:00:38,040 Speaker 2: people ask you the sipless questions And I'm really surprised. 14 00:00:38,080 --> 00:00:41,680 Speaker 2: You know that we're not taught these things. These are 15 00:00:41,720 --> 00:00:44,559 Speaker 2: things that you know, to me are fairly common. But 16 00:00:44,600 --> 00:00:48,639 Speaker 2: there's simple common sense things sometimes. But there's some real 17 00:00:48,720 --> 00:00:52,920 Speaker 2: funny stuff in there. Let me give you some example. Yeah, 18 00:00:53,159 --> 00:00:56,639 Speaker 2: the International Space Station, we watch it going over here. 19 00:00:56,720 --> 00:01:01,120 Speaker 2: It's dropped twenty five meters at altitude every day, so 20 00:01:01,200 --> 00:01:03,520 Speaker 2: every three months, you know, they've got to adjust the 21 00:01:03,640 --> 00:01:06,319 Speaker 2: orbits there, they've got to fire the rockets to keep 22 00:01:06,360 --> 00:01:09,959 Speaker 2: them up there, otherwise they'd fall down. What about astronauts 23 00:01:09,959 --> 00:01:12,880 Speaker 2: growing taller in space mats? You free from the Earth constant, 24 00:01:12,920 --> 00:01:17,160 Speaker 2: pull that gravity off your spine. There the body actually expands, 25 00:01:17,160 --> 00:01:20,200 Speaker 2: you know, about five centimeters taller than when you left, 26 00:01:21,400 --> 00:01:23,720 Speaker 2: and you shrink back when you come back. I don't 27 00:01:23,800 --> 00:01:27,400 Speaker 2: believe true. And some of the technology created for the 28 00:01:27,440 --> 00:01:30,160 Speaker 2: Hubble Space Telescope has found this way to medicine too, 29 00:01:30,800 --> 00:01:34,759 Speaker 2: computer chips, the prevention of power faise here on arth 30 00:01:34,840 --> 00:01:38,680 Speaker 2: that so many spin offs, there's hundreds of them, probably 31 00:01:38,720 --> 00:01:41,920 Speaker 2: even a thousand or so digit Also, most of the 32 00:01:41,959 --> 00:01:44,640 Speaker 2: stars in the sky are double stars. A lot of 33 00:01:44,640 --> 00:01:47,360 Speaker 2: people don't realize that we've at a single star. We 34 00:01:47,480 --> 00:01:49,720 Speaker 2: all but around one star, but most stars out there 35 00:01:49,720 --> 00:01:52,600 Speaker 2: are double So there are planets around other stars out 36 00:01:52,600 --> 00:01:56,760 Speaker 2: there that have two sunsets and two sunriights. That's going 37 00:01:56,840 --> 00:02:01,200 Speaker 2: to be cool places. How about a simple We know 38 00:02:01,280 --> 00:02:05,240 Speaker 2: about the space pens saving the Apollo emission there, and 39 00:02:05,320 --> 00:02:07,880 Speaker 2: you know the Fisher company who made that pen for 40 00:02:07,920 --> 00:02:11,160 Speaker 2: the Apollow mission have made zillions of dollars out of 41 00:02:11,520 --> 00:02:14,040 Speaker 2: reproducing those space fans. You can buy of them, but 42 00:02:14,160 --> 00:02:16,600 Speaker 2: that'scessarily when you go you probably see them when you 43 00:02:16,639 --> 00:02:20,400 Speaker 2: were there. What about asteroid's taste, buts go on strike 44 00:02:20,520 --> 00:02:24,280 Speaker 2: you can't taste anything up there with no gravity, all 45 00:02:24,280 --> 00:02:26,880 Speaker 2: the fluids just to your head of cause your nose 46 00:02:27,000 --> 00:02:31,959 Speaker 2: become really stuffy and it dolls all you may simple really, yeah, 47 00:02:32,000 --> 00:02:35,400 Speaker 2: that's why they love hot sauce. They were sarbi and 48 00:02:35,639 --> 00:02:38,280 Speaker 2: curries in there, which they couldn't or we don't normally 49 00:02:38,280 --> 00:02:41,000 Speaker 2: have down here. You can't taste it. It's not as 50 00:02:41,040 --> 00:02:44,520 Speaker 2: it's not the same. Do you know there are space burials. 51 00:02:44,520 --> 00:02:46,640 Speaker 2: A lot of people don't know that. Companies out can 52 00:02:46,720 --> 00:02:51,760 Speaker 2: launch tiny little capsules of ashes of your favorite dog 53 00:02:51,880 --> 00:02:54,360 Speaker 2: or if you want, or a member of the family 54 00:02:54,760 --> 00:02:57,000 Speaker 2: up towards the moon. But you know, there's all about 55 00:02:57,120 --> 00:03:00,240 Speaker 2: doing that. But this has been up with quite well. 56 00:03:00,320 --> 00:03:04,600 Speaker 2: It's a company called I think it's Colonial Creations or 57 00:03:04,639 --> 00:03:08,880 Speaker 2: something like that. Space burials are pretty popular in America, 58 00:03:08,919 --> 00:03:12,639 Speaker 2: about five thousand dollars a time, which is pretty comparable 59 00:03:12,800 --> 00:03:16,080 Speaker 2: when you think about it. Jeane Rottenbury's It had is 60 00:03:16,120 --> 00:03:18,480 Speaker 2: a set up this I was asked to see, Clark. 61 00:03:19,760 --> 00:03:22,440 Speaker 2: There's so many things to go. You can't cry in space. 62 00:03:23,480 --> 00:03:28,160 Speaker 2: People don't understand the tearstone fall. Nothing falls down in space. 63 00:03:28,200 --> 00:03:31,960 Speaker 2: It all falls up. So they formed when you've got 64 00:03:32,000 --> 00:03:35,240 Speaker 2: teary eyes in space on the space station, it forms 65 00:03:35,240 --> 00:03:38,080 Speaker 2: a little floating blobs around your eye. You got to 66 00:03:38,160 --> 00:03:40,640 Speaker 2: keep wiping your face here. It doesn't drip down like 67 00:03:40,760 --> 00:03:46,320 Speaker 2: we normally we normally see here. There's so many things, 68 00:03:46,400 --> 00:03:48,400 Speaker 2: you know when you when you look at it up there. 69 00:03:49,800 --> 00:03:52,120 Speaker 2: Oh what else? I can't think of too many? Well, 70 00:03:52,680 --> 00:03:54,640 Speaker 2: the thing about I think we mentioned once before, what 71 00:03:54,680 --> 00:03:56,400 Speaker 2: do they forget to do most of all when they 72 00:03:56,440 --> 00:04:00,840 Speaker 2: come back home sitting at the coffee there's the dinner table, 73 00:04:00,840 --> 00:04:03,760 Speaker 2: they forget to let go of the coffee cup, and 74 00:04:04,320 --> 00:04:06,520 Speaker 2: some of them just just leave it and see if 75 00:04:06,520 --> 00:04:08,120 Speaker 2: they can leave it there and come back to It's 76 00:04:08,120 --> 00:04:11,200 Speaker 2: when you been up there for nine bus everything can 77 00:04:11,240 --> 00:04:13,080 Speaker 2: just sit in front of you there, your page, your 78 00:04:13,480 --> 00:04:16,920 Speaker 2: your coffee, which you've got a drink or a straw. Yeah, 79 00:04:16,960 --> 00:04:18,800 Speaker 2: these are some of the things that have happened up 80 00:04:18,800 --> 00:04:22,200 Speaker 2: there when we went into I think we talked about 81 00:04:22,360 --> 00:04:24,200 Speaker 2: sanitary things last time, didn't we. 82 00:04:24,520 --> 00:04:25,960 Speaker 1: Yeah, we did clothes up there. 83 00:04:26,760 --> 00:04:27,920 Speaker 2: It's a different world up. 84 00:04:27,800 --> 00:04:29,520 Speaker 1: There, unreal. That's unreal. 85 00:04:29,680 --> 00:04:33,360 Speaker 2: And yeah, and you actually you don't age as much 86 00:04:33,480 --> 00:04:36,520 Speaker 2: your movie fairly quickly, so you age a little bit 87 00:04:36,560 --> 00:04:38,839 Speaker 2: less than what you would if you stayed on only. 88 00:04:38,720 --> 00:04:42,920 Speaker 1: A microcyt unbelievable. All right, Gray was called it nice 89 00:04:42,960 --> 00:04:47,919 Speaker 1: and early with the question for you, Dave, Hello Graham. 90 00:04:46,760 --> 00:04:49,040 Speaker 3: Dave Matthew loved the segment, as you know, and thanks. 91 00:04:48,800 --> 00:04:49,600 Speaker 2: For coming day. 92 00:04:49,680 --> 00:04:52,839 Speaker 3: We'll always love it. And I remember coming this year. 93 00:04:52,839 --> 00:04:54,359 Speaker 3: I think last year, and I'm going to chat with 94 00:04:54,400 --> 00:04:58,960 Speaker 3: your late last year, so I think you were in 95 00:04:59,120 --> 00:05:01,520 Speaker 3: on some island doing some sort of space to it. 96 00:05:02,160 --> 00:05:05,720 Speaker 3: We go to Northfolk Island, Northfolk Island, that's where you were. 97 00:05:06,440 --> 00:05:10,159 Speaker 2: It's not the coast of Queensland. It's for you guys 98 00:05:10,200 --> 00:05:12,640 Speaker 2: to travel. But we've got ten eleven people going this. 99 00:05:12,560 --> 00:05:15,520 Speaker 3: Time, which is a good place to see the stars. 100 00:05:15,560 --> 00:05:15,960 Speaker 3: I guess. 101 00:05:16,400 --> 00:05:18,760 Speaker 2: Oh. Look to tell you what's going on, there's only 102 00:05:18,800 --> 00:05:20,320 Speaker 2: one street light in the whole island. 103 00:05:21,560 --> 00:05:23,400 Speaker 3: Can't be brilliant. 104 00:05:23,880 --> 00:05:28,520 Speaker 2: It's a designated dark sky side, the siding spring here 105 00:05:28,520 --> 00:05:32,240 Speaker 2: in this south That tells you well, the warm Bungle 106 00:05:32,400 --> 00:05:34,640 Speaker 2: Ranges here in the South Wales a dark as well. 107 00:05:35,040 --> 00:05:38,200 Speaker 2: And that's where sighting Spring Observetory is and that's also 108 00:05:38,240 --> 00:05:41,479 Speaker 2: a dark sky side. The number one rule when you 109 00:05:41,560 --> 00:05:43,520 Speaker 2: buy a telescope, people say, what's the first thing I 110 00:05:43,520 --> 00:05:46,839 Speaker 2: should do. Get the hell out of the city, get 111 00:05:46,839 --> 00:05:50,160 Speaker 2: out of Adelaide, get out of anywhere, your suburbs, anywhere 112 00:05:50,160 --> 00:05:53,600 Speaker 2: where there's a lot of light there somewhere, and you'll 113 00:05:53,640 --> 00:05:54,560 Speaker 2: see so much more. 114 00:05:55,320 --> 00:05:59,599 Speaker 3: Anyway, my main question Dave was do you know much 115 00:05:59,600 --> 00:06:04,960 Speaker 3: about dark matter? Oh, py bit yep, because apparently, you know, 116 00:06:05,040 --> 00:06:07,200 Speaker 3: we look up the stars and we say, oh, there's 117 00:06:07,200 --> 00:06:09,600 Speaker 3: a star and it's a long way away, and there's 118 00:06:09,600 --> 00:06:13,560 Speaker 3: nothing between those two stars. Apparently there's I've been watching 119 00:06:13,560 --> 00:06:16,440 Speaker 3: a few docos and you know, my head gets filled 120 00:06:16,440 --> 00:06:19,920 Speaker 3: when someone tears. Well, actually there's a lot of dark matter. 121 00:06:19,920 --> 00:06:22,080 Speaker 3: In fact, there's more dark matter than matter. 122 00:06:23,200 --> 00:06:24,200 Speaker 2: Yeah, it makes sense. 123 00:06:24,800 --> 00:06:26,200 Speaker 3: How do you get your head around that. 124 00:06:27,080 --> 00:06:30,680 Speaker 2: You don't. It's not easier for us. It's only called 125 00:06:30,760 --> 00:06:34,440 Speaker 2: dark matter because it doesn't reflect light. Dark matter make 126 00:06:34,680 --> 00:06:38,000 Speaker 2: is made up of asteroids that don't reflect light. Dark asteroids, 127 00:06:38,040 --> 00:06:42,200 Speaker 2: clouds of gusts there that have gone cold, stars that 128 00:06:42,200 --> 00:06:47,000 Speaker 2: have burnt out. Anything that doesn't reflect light will give 129 00:06:47,040 --> 00:06:50,680 Speaker 2: off head is called dark matter. Dark energy is a 130 00:06:50,680 --> 00:06:53,680 Speaker 2: different thing. Dark energy is the force is pushing the 131 00:06:53,760 --> 00:06:57,600 Speaker 2: universe apart. The universe is expanding, and it's expanding more 132 00:06:57,640 --> 00:07:01,200 Speaker 2: and more and apparent it's getting fast and we don't 133 00:07:01,240 --> 00:07:04,599 Speaker 2: understand what they repellent force is, so astromers are coined 134 00:07:04,600 --> 00:07:07,839 Speaker 2: the term dark energy. It's still a mystery. We don't 135 00:07:07,920 --> 00:07:11,560 Speaker 2: understand why, but more than likely a process of the 136 00:07:11,600 --> 00:07:15,040 Speaker 2: original birth of the universe from a giant explosion. But 137 00:07:15,800 --> 00:07:19,320 Speaker 2: dark matter is anything you can't see that is out 138 00:07:19,320 --> 00:07:23,960 Speaker 2: there that is made of matter itself, and it's a 139 00:07:24,000 --> 00:07:27,080 Speaker 2: quite big but you know, five percent of the universe 140 00:07:27,160 --> 00:07:29,720 Speaker 2: is made up of stuff. We can see only five 141 00:07:29,760 --> 00:07:32,200 Speaker 2: percent of it first of us, all invisible. 142 00:07:32,760 --> 00:07:35,440 Speaker 1: Mess in credit back w Yeah, just does your head 143 00:07:35,480 --> 00:07:37,240 Speaker 1: in like you say, absolutely. 144 00:07:36,840 --> 00:07:39,600 Speaker 2: It's hard to Yeah, you think we can see almost everything. 145 00:07:39,720 --> 00:07:42,000 Speaker 2: We can't most of the stuff out Yeah, you've got 146 00:07:42,040 --> 00:07:44,320 Speaker 2: to see with infra red eyes. And that's why the 147 00:07:44,360 --> 00:07:46,600 Speaker 2: web telescope is doing such a good job. You can 148 00:07:46,680 --> 00:07:49,440 Speaker 2: see that stuff that you can't see. It can see 149 00:07:49,480 --> 00:07:53,400 Speaker 2: things that don't reflect like but everything, even dark matter 150 00:07:53,480 --> 00:07:57,080 Speaker 2: that's dead coal almost absolute zero, is still going to 151 00:07:57,080 --> 00:07:59,120 Speaker 2: give off a little bit of blatant infra red heat. 152 00:07:59,520 --> 00:08:01,920 Speaker 2: And they can amazon the web telescope and pick it up. 153 00:08:04,560 --> 00:08:07,520 Speaker 1: There. We are good on your grame. He you, thank 154 00:08:07,560 --> 00:08:09,000 Speaker 1: you great question as always. 155 00:08:09,120 --> 00:08:12,320 Speaker 2: Yeah, it's a good question, and there's. 156 00:08:12,120 --> 00:08:15,840 Speaker 1: So much This is what Einstein theorized about, wasn't it 157 00:08:15,880 --> 00:08:18,120 Speaker 1: that there's this invisible stuff out there? 158 00:08:18,880 --> 00:08:23,360 Speaker 2: Yeah? He is, Yeah, and he he theorized about other 159 00:08:23,440 --> 00:08:27,280 Speaker 2: things too. He talked about spooky action at a distance. 160 00:08:27,360 --> 00:08:30,440 Speaker 2: Where do you started to understand that now, over one 161 00:08:30,520 --> 00:08:33,960 Speaker 2: hundred years later, How did he know this sort of thing? 162 00:08:34,400 --> 00:08:38,840 Speaker 2: Spooky action at a distance is quantum quantum mechanics, I mean, 163 00:08:38,920 --> 00:08:43,040 Speaker 2: quantum mechanics. Nobody even heard that even fifteen or twenty 164 00:08:43,160 --> 00:08:48,600 Speaker 2: years ago. So Ironestar's the genius, like Newton, like Hawking 165 00:08:48,880 --> 00:08:51,920 Speaker 2: and like Carl Sagan. These people will never come again. 166 00:08:52,000 --> 00:08:53,920 Speaker 2: But we're still you know, we're still scratching our heads. 167 00:08:54,320 --> 00:08:57,199 Speaker 2: Most you know, ninety percent of the world astronomers who 168 00:08:57,200 --> 00:08:58,520 Speaker 2: ever lived, still alive today. 169 00:08:58,800 --> 00:08:59,400 Speaker 1: Is that right? 170 00:09:01,080 --> 00:09:03,320 Speaker 2: It's an all science, but it's a new. 171 00:09:03,200 --> 00:09:09,079 Speaker 1: One, amazing. And the universe it is still expanding. I mean, 172 00:09:09,080 --> 00:09:11,000 Speaker 1: there is a theory it's near Dave, that it's going 173 00:09:11,080 --> 00:09:14,040 Speaker 1: to contract at some point and just swallow us all 174 00:09:14,120 --> 00:09:15,760 Speaker 1: up again more like. 175 00:09:15,760 --> 00:09:17,560 Speaker 2: Our hope, I think, man, because that would be the 176 00:09:17,559 --> 00:09:20,120 Speaker 2: best way to describe it. We don't know what we 177 00:09:20,280 --> 00:09:25,400 Speaker 2: see is now astronomers. Look, astronomy is observation, deduction, assumption, 178 00:09:25,520 --> 00:09:29,200 Speaker 2: evaluation and making up it and then making a firm theory. 179 00:09:29,640 --> 00:09:31,920 Speaker 2: So what we see is the universe is expanding. No 180 00:09:31,960 --> 00:09:35,959 Speaker 2: one is expanding. It's getting faster. The most distant objects 181 00:09:36,320 --> 00:09:38,280 Speaker 2: we can see a moving it close to the speed 182 00:09:38,320 --> 00:09:40,840 Speaker 2: of light. So what's going to happen? It's this going 183 00:09:40,880 --> 00:09:43,360 Speaker 2: to thing just burn itself out? Is it going to 184 00:09:43,400 --> 00:09:47,040 Speaker 2: expand into oblivion? Is the last person in the universe 185 00:09:47,160 --> 00:09:49,640 Speaker 2: when he turns the light out, going to just see 186 00:09:49,760 --> 00:09:53,079 Speaker 2: dark matter everywhere? This theory is the popular theory and 187 00:09:53,120 --> 00:09:55,400 Speaker 2: I kind of like it. It makes sense. Is that 188 00:09:55,480 --> 00:09:58,400 Speaker 2: the universe may be recycling itself. He could actually run 189 00:09:58,440 --> 00:10:01,679 Speaker 2: out of steam. Now, combined gravity of the universe might 190 00:10:01,679 --> 00:10:05,560 Speaker 2: pull it all back together. So from a big big bang, 191 00:10:05,760 --> 00:10:07,880 Speaker 2: it may go back into a big crutch. Then the 192 00:10:07,920 --> 00:10:10,679 Speaker 2: whole thing starts over again. This might have been how 193 00:10:10,720 --> 00:10:14,319 Speaker 2: it's been happening since time immemorial. See, we can't say time. 194 00:10:14,360 --> 00:10:17,600 Speaker 2: That's the wrong word I use. The universe doesn't recognize time. 195 00:10:18,040 --> 00:10:21,280 Speaker 2: We invented time. That's something we made up to stop 196 00:10:21,320 --> 00:10:23,640 Speaker 2: two things happening at once, or to be at the 197 00:10:23,679 --> 00:10:27,360 Speaker 2: same place, the same time every day, or I'll catch 198 00:10:27,440 --> 00:10:30,000 Speaker 2: it a moraw at one o'clock. But the universe doesn't 199 00:10:30,040 --> 00:10:32,880 Speaker 2: need those sort of rules. So it's an open question 200 00:10:33,000 --> 00:10:35,120 Speaker 2: that one. Nobody knows how the universe is going to. 201 00:10:35,240 --> 00:10:37,400 Speaker 2: We don't even know how to start it. We thought 202 00:10:37,400 --> 00:10:39,440 Speaker 2: the Big Bang with the theory, but that's in trouble. 203 00:10:39,480 --> 00:10:43,520 Speaker 1: Now. Okay, here's a deep one. If it's expanding, what's. 204 00:10:43,440 --> 00:10:44,560 Speaker 2: It is expanding into? 205 00:10:44,559 --> 00:10:46,320 Speaker 1: It? Yes, what's it expanding? 206 00:10:46,400 --> 00:10:49,719 Speaker 2: Doesn't it doesn't? Look the universe doesn't owe you an explanation. 207 00:10:49,880 --> 00:10:52,520 Speaker 2: That's the same. We've got to be careful of a 208 00:10:52,679 --> 00:10:57,080 Speaker 2: human beings require, you know, an answer to everything, but 209 00:10:57,360 --> 00:11:00,560 Speaker 2: the universe it doesn't, doesn't doesn't mean, doesn't mean. Look, 210 00:11:01,320 --> 00:11:04,320 Speaker 2: that is a question that it's logical, and I like 211 00:11:04,400 --> 00:11:08,360 Speaker 2: that question because there's no way of understanding it. What's 212 00:11:08,360 --> 00:11:11,760 Speaker 2: it expanding into? When we say to people it's not 213 00:11:11,840 --> 00:11:15,280 Speaker 2: expanding into anything, they don't say anything. They just look 214 00:11:15,360 --> 00:11:19,079 Speaker 2: at you. And you did too. You sort of said, well, 215 00:11:19,960 --> 00:11:22,400 Speaker 2: I don't know. It may be expanding in the time 216 00:11:22,440 --> 00:11:25,360 Speaker 2: people wish. If you don't know, as far as we know, 217 00:11:25,400 --> 00:11:28,720 Speaker 2: if the universe is moving apart, it's like I explained 218 00:11:28,760 --> 00:11:31,199 Speaker 2: it like this. Get a balloon and blow half way 219 00:11:31,280 --> 00:11:33,959 Speaker 2: up and put a whole bunch of dots on the balloon. 220 00:11:34,520 --> 00:11:37,520 Speaker 2: Now start blowing the balloon up and the dots start 221 00:11:37,600 --> 00:11:41,080 Speaker 2: to move apart. Now the dots in motion. Or is 222 00:11:41,080 --> 00:11:44,839 Speaker 2: the fabric of the balloon expanding. That's what's going on. 223 00:11:44,960 --> 00:11:47,760 Speaker 2: We're not moving, We're just moving with the expansion of 224 00:11:47,760 --> 00:11:51,679 Speaker 2: the universe. So nothing itself is actually accelerating or moving 225 00:11:52,120 --> 00:11:56,520 Speaker 2: on its own. Everything in the universe is being pulled 226 00:11:56,559 --> 00:12:00,840 Speaker 2: apart the by the gravity and the universe. This is 227 00:12:00,840 --> 00:12:03,199 Speaker 2: a sort of thing have not bears over. I know, 228 00:12:03,360 --> 00:12:04,679 Speaker 2: I know it's unanswerable. 229 00:12:04,720 --> 00:12:07,640 Speaker 1: Your question, Yeah, this one probably is too. Ray Lean 230 00:12:07,720 --> 00:12:10,760 Speaker 1: on the text line says, so is the universe expanding 231 00:12:10,800 --> 00:12:13,800 Speaker 1: in one direction, like you know, for instance, north, or 232 00:12:13,880 --> 00:12:16,480 Speaker 1: is it like dropping a pebble into the ward and 233 00:12:16,559 --> 00:12:18,760 Speaker 1: watching the ripples move out evenly in a circle. 234 00:12:19,400 --> 00:12:21,760 Speaker 2: Yeah, more like the second one. That's an efforent question. 235 00:12:22,280 --> 00:12:25,240 Speaker 2: The answer to that question is it's expanding in all 236 00:12:25,280 --> 00:12:27,920 Speaker 2: directions at the same time. Now, if we left here 237 00:12:28,400 --> 00:12:31,320 Speaker 2: and we went halfway across the universe, we took a 238 00:12:31,320 --> 00:12:33,600 Speaker 2: measurement before we left them, and say Oh, okay, it's 239 00:12:33,640 --> 00:12:36,280 Speaker 2: moving away from us here point A. We go to 240 00:12:36,360 --> 00:12:38,880 Speaker 2: point B, you'll find yourself. Is this moving away from 241 00:12:38,920 --> 00:12:41,600 Speaker 2: you in all directions? From there as well? No matter 242 00:12:41,640 --> 00:12:43,640 Speaker 2: where you go on the universe, you measure at the 243 00:12:43,679 --> 00:12:47,720 Speaker 2: university expanding away from you in all directions, not in 244 00:12:47,720 --> 00:12:52,200 Speaker 2: one direction. So it's just expanding in all directions at once. Crazy, 245 00:12:52,240 --> 00:12:52,640 Speaker 2: isn't it? 246 00:12:52,640 --> 00:12:54,960 Speaker 1: It is crazy, So there's got to be a middle point. 247 00:12:55,000 --> 00:13:00,400 Speaker 2: Then I should do anything. We don't know us US 248 00:13:00,400 --> 00:13:04,200 Speaker 2: an us an explanation. Keep that in mind. It's doing 249 00:13:04,240 --> 00:13:07,280 Speaker 2: We've got to figure out why it's for you doing 250 00:13:07,280 --> 00:13:11,520 Speaker 2: that for fifteen billion year, sixtly a seventy billion. But 251 00:13:12,280 --> 00:13:15,520 Speaker 2: that question comes up a lot. Where is this span 252 00:13:15,800 --> 00:13:19,760 Speaker 2: expanding from which direction? Well, it's expanding in all directions. 253 00:13:19,800 --> 00:13:21,400 Speaker 2: No matter where do you go on the universal and 254 00:13:21,400 --> 00:13:23,959 Speaker 2: take a missionment, you'll always be in the center. 255 00:13:24,360 --> 00:13:27,000 Speaker 1: Okay, We've got to take a break, Dave, And when 256 00:13:27,040 --> 00:13:28,839 Speaker 1: we come back, I'm going to ask you about one 257 00:13:28,840 --> 00:13:32,400 Speaker 1: of the smallest moons, probably in our whole solar system, 258 00:13:32,520 --> 00:13:36,640 Speaker 1: was discovered several months ago by the James Webb telescope, 259 00:13:37,080 --> 00:13:39,800 Speaker 1: and it's tiny. We'll find out, you know, some more 260 00:13:39,840 --> 00:13:43,600 Speaker 1: about it. Right after this, Dave Reddicky on the line. 261 00:13:43,640 --> 00:13:48,480 Speaker 1: Astro Dave and Astro Space News is his website. You 262 00:13:48,520 --> 00:13:51,920 Speaker 1: can find all sorts of interesting articles their day. We've 263 00:13:51,960 --> 00:13:55,600 Speaker 1: got Ian on the phone from one Tree Hill. Get I, Ian, Get. 264 00:13:55,440 --> 00:14:00,880 Speaker 4: I, gentlemen, how I with us? Question? You're talking about 265 00:14:00,920 --> 00:14:04,080 Speaker 4: simple questions at the beginning when you started. Here's a 266 00:14:04,120 --> 00:14:07,119 Speaker 4: simple question. Where does all the air or the oxygen 267 00:14:07,280 --> 00:14:10,760 Speaker 4: come from while you're sitting in the space station for 268 00:14:10,800 --> 00:14:13,200 Speaker 4: all those hours and days and years. 269 00:14:14,520 --> 00:14:17,679 Speaker 2: Yeah, they've got their own supply out there. They I 270 00:14:17,679 --> 00:14:26,480 Speaker 2: think they manufacture their own They manufacture their own air 271 00:14:26,560 --> 00:14:29,240 Speaker 2: up there. I think they're Yeah, I'm not sure that one. 272 00:14:29,280 --> 00:14:31,479 Speaker 2: I have to check it out. I think it's recycled 273 00:14:31,520 --> 00:14:35,360 Speaker 2: and purify them. Yeah, because I don't know, I'm not 274 00:14:35,440 --> 00:14:37,920 Speaker 2: to find out question before. 275 00:14:39,120 --> 00:14:41,240 Speaker 4: I've been wanting to ask this question for years, when 276 00:14:41,280 --> 00:14:42,200 Speaker 4: you've been on the radio. 277 00:14:42,040 --> 00:14:43,440 Speaker 2: And going no, I won't ring them up. I won't 278 00:14:43,480 --> 00:14:45,560 Speaker 2: bother them. It's probably a stupid question. 279 00:14:46,360 --> 00:14:48,480 Speaker 1: You don't know. Great question. 280 00:14:49,160 --> 00:14:51,400 Speaker 2: Yeah, I'm not sure that one. That's something I should 281 00:14:51,400 --> 00:14:53,880 Speaker 2: have known. But no, I don't know. I have to 282 00:14:54,040 --> 00:14:56,080 Speaker 2: I'll check it out. We'll probably talk about it next 283 00:14:56,080 --> 00:14:56,840 Speaker 2: week when we come on. 284 00:14:58,080 --> 00:14:59,600 Speaker 4: I'll look forward to me. 285 00:14:59,680 --> 00:15:00,760 Speaker 2: Up. It's a good one. 286 00:15:00,920 --> 00:15:03,160 Speaker 1: Yeah, it's a good one. And what about water? Where 287 00:15:03,160 --> 00:15:05,200 Speaker 1: do they get I mean, I guess they get deliveries 288 00:15:05,200 --> 00:15:07,720 Speaker 1: when a thing docks, but where do they get that from? 289 00:15:08,440 --> 00:15:11,000 Speaker 2: No, that's amazing when they've got a recycling system up 290 00:15:11,040 --> 00:15:14,120 Speaker 2: there that after about eight years now, they actually reuse 291 00:15:14,200 --> 00:15:17,520 Speaker 2: their water. The great grain, sorry, the gray water, the 292 00:15:17,600 --> 00:15:21,720 Speaker 2: washing water, showering water, and even human urine is put 293 00:15:21,800 --> 00:15:24,400 Speaker 2: back through the system and recircled. It comes out of 294 00:15:24,440 --> 00:15:27,680 Speaker 2: pure water. Believe it or not. I'm sure there's a 295 00:15:27,720 --> 00:15:31,840 Speaker 2: similar system up there for generating oxygen from that waters. 296 00:15:31,880 --> 00:15:34,480 Speaker 2: You take the hydrogen and oxygen out out of the water. 297 00:15:34,840 --> 00:15:37,920 Speaker 2: Two you can make your own oxygen. I think the 298 00:15:37,960 --> 00:15:40,480 Speaker 2: answer to the question earlier on would be around that. 299 00:15:40,640 --> 00:15:42,760 Speaker 2: But the water up there is not a problem at all. 300 00:15:42,880 --> 00:15:45,360 Speaker 2: Note but when you think about how can you drink 301 00:15:45,440 --> 00:15:47,960 Speaker 2: human urine what has been put through a purified that's 302 00:15:48,000 --> 00:15:51,040 Speaker 2: a great technology that one. Can you imagine the balloon 303 00:15:51,080 --> 00:15:53,920 Speaker 2: that would be you know when they finally use it, well, 304 00:15:53,920 --> 00:15:57,400 Speaker 2: they probably are down here for third world countries, it's 305 00:15:57,480 --> 00:16:00,280 Speaker 2: got they've got polluted water systems. 306 00:16:00,080 --> 00:16:01,360 Speaker 1: On the Yeah. 307 00:16:01,400 --> 00:16:04,440 Speaker 2: Absolutely, Yeah, it's very sustainable up there. They can they 308 00:16:04,440 --> 00:16:06,480 Speaker 2: can start there for quite some time. They've got food 309 00:16:06,480 --> 00:16:09,400 Speaker 2: the last two years. You don't have to wash every. 310 00:16:09,240 --> 00:16:13,960 Speaker 1: Days, Bill says. Google AI says the air on the 311 00:16:14,000 --> 00:16:18,840 Speaker 1: space station comes from water and resupply missions on Earth. 312 00:16:19,240 --> 00:16:22,040 Speaker 1: The space station uses electrolis. 313 00:16:22,160 --> 00:16:27,000 Speaker 2: Electron electrolos breaking breaking the water down into. 314 00:16:27,200 --> 00:16:30,200 Speaker 1: Yeah, that's it. And the oxygen used for the crew 315 00:16:30,240 --> 00:16:33,800 Speaker 1: to breathe. And they use supplement supplemental air and water 316 00:16:33,840 --> 00:16:35,960 Speaker 1: through regular resupply missions from Earth. 317 00:16:36,200 --> 00:16:38,920 Speaker 2: Yeah, yeah, that's true. Cargo gets brought up and lost, 318 00:16:38,960 --> 00:16:39,840 Speaker 2: yours brought up. 319 00:16:40,680 --> 00:16:42,200 Speaker 1: So there it is. Now we know. 320 00:16:43,520 --> 00:16:43,640 Speaker 2: Now. 321 00:16:43,640 --> 00:16:47,440 Speaker 1: I want to ask you about the planet US, as 322 00:16:47,440 --> 00:16:50,800 Speaker 1: the Greeks would say, meaning sky God got of the sky. 323 00:16:51,880 --> 00:16:57,280 Speaker 1: Uranus and the smallest planet, the smallest moon, I should say, 324 00:16:57,320 --> 00:17:00,440 Speaker 1: probably smaller than anywhere else. I imagine it is two 325 00:17:00,560 --> 00:17:01,640 Speaker 1: hour walk across. 326 00:17:02,080 --> 00:17:04,920 Speaker 2: It's just you ever go to a school and you 327 00:17:05,040 --> 00:17:06,879 Speaker 2: talk to school kids, call it urine Us. 328 00:17:07,840 --> 00:17:08,840 Speaker 1: You have right. 329 00:17:10,800 --> 00:17:14,160 Speaker 2: Urs twenty eight to nine moons. There's five major moons. 330 00:17:14,640 --> 00:17:17,879 Speaker 2: I think it was Miranda, Aerial, Unreal, Titania, and I 331 00:17:17,880 --> 00:17:22,240 Speaker 2: think Oberon. But these are called the litterary moons because 332 00:17:22,240 --> 00:17:26,560 Speaker 2: they name up to Shakespearean characters or so. Look, your 333 00:17:26,640 --> 00:17:29,040 Speaker 2: question is interesting. The smallest mood has been found by 334 00:17:29,119 --> 00:17:32,520 Speaker 2: James web It's a new moon with a diameter of 335 00:17:32,640 --> 00:17:36,160 Speaker 2: something like about ten k. It's only tiny. It's probably 336 00:17:36,320 --> 00:17:39,320 Speaker 2: captured asteroid. Even Voyager didn't say it when it flew by. 337 00:17:40,920 --> 00:17:44,159 Speaker 2: So this discovery is made using the near infrared camera. 338 00:17:44,800 --> 00:17:47,000 Speaker 2: Then I said before earlier that we can pick up 339 00:17:47,119 --> 00:17:49,600 Speaker 2: dark matter even though you can't see it, we can 340 00:17:49,640 --> 00:17:51,800 Speaker 2: pick it up because of the latent heat that it 341 00:17:51,800 --> 00:17:53,439 Speaker 2: gives out. Well, that's what this has done. This has 342 00:17:53,440 --> 00:17:57,719 Speaker 2: picked up the basic heat from that and photographed it. 343 00:17:58,280 --> 00:18:01,760 Speaker 2: This was only you discovered about two months ago. It's 344 00:18:01,800 --> 00:18:06,040 Speaker 2: about thirty thousand miles or fifty sixty thousand k from 345 00:18:06,080 --> 00:18:10,800 Speaker 2: the center of Uranus and it's a newly found where 346 00:18:10,800 --> 00:18:13,520 Speaker 2: it's going to be approved by the International Astronomical Union 347 00:18:13,560 --> 00:18:16,800 Speaker 2: before against the name, and that's the body that gives everything. 348 00:18:16,800 --> 00:18:20,240 Speaker 2: And if you discover something like an asteroid or a 349 00:18:20,240 --> 00:18:24,240 Speaker 2: comet out there, you ring the International Astronomical Union, and 350 00:18:24,440 --> 00:18:26,920 Speaker 2: if you're the only one that's discovered that it gets 351 00:18:27,000 --> 00:18:31,480 Speaker 2: named after you. You discover a comet, because yeah, it becomes 352 00:18:31,520 --> 00:18:36,080 Speaker 2: comic Pantellus. If somebody else's name Smith saw it at 353 00:18:36,080 --> 00:18:39,159 Speaker 2: the same time, it'd be Pantellus Smith. That's where they 354 00:18:39,160 --> 00:18:41,120 Speaker 2: get what you need to get double names for comments there. 355 00:18:41,119 --> 00:18:44,080 Speaker 2: But this little moon is wow. I don't know how 356 00:18:44,080 --> 00:18:46,280 Speaker 2: many of the twenty eight Narron moons we've got probably 357 00:18:46,480 --> 00:18:49,920 Speaker 2: probably one hundred little ones around there. But great web Telesco. 358 00:18:50,119 --> 00:18:52,280 Speaker 2: This is an amazing thing we've got up there. 359 00:18:52,680 --> 00:18:55,159 Speaker 1: Yeah it is, isn't it. And the fact that can 360 00:18:55,560 --> 00:18:59,159 Speaker 1: it's sitting just close to Earth relatively and can spawn 361 00:18:59,280 --> 00:19:03,879 Speaker 1: a ten kil meet a wide object out by giant 362 00:19:03,880 --> 00:19:08,480 Speaker 1: gas planets, surrounded by other bigger moons, that's amazing. The technology, yeah. 363 00:19:08,320 --> 00:19:11,359 Speaker 2: Yeah, it is. It's a different telescopes than hubble hubble 364 00:19:11,400 --> 00:19:14,360 Speaker 2: seas in normal like like we do. And that's why 365 00:19:14,400 --> 00:19:18,240 Speaker 2: this telescope's important. We can we can't see to the tour. 366 00:19:18,320 --> 00:19:20,240 Speaker 2: We can see it was the center of our galaxy. 367 00:19:20,920 --> 00:19:23,240 Speaker 2: But it's like looking out from your backyard on a 368 00:19:23,359 --> 00:19:26,679 Speaker 2: very hazy day, a lot of fog around. Sometimes you 369 00:19:26,680 --> 00:19:29,280 Speaker 2: can't even see Sydney Harbor, you know, from one of 370 00:19:29,320 --> 00:19:32,880 Speaker 2: the skyscrapers. Well, the web telescope can peer through that 371 00:19:32,920 --> 00:19:36,840 Speaker 2: stuff and can see much further. That's the benefit of it, 372 00:19:37,280 --> 00:19:39,400 Speaker 2: and that's why we're finding out so much. That's why 373 00:19:39,440 --> 00:19:42,840 Speaker 2: we wanted to launch that telescope. The Hubble telescope sees 374 00:19:42,920 --> 00:19:47,440 Speaker 2: with normal eyes, like we do. Anything visible amazing. 375 00:19:48,240 --> 00:19:51,120 Speaker 1: And just to finish up, Dave, I see reports that 376 00:19:51,200 --> 00:19:56,160 Speaker 1: solar activity is on the rise. Have you seen similar reports. 377 00:19:57,280 --> 00:20:00,919 Speaker 2: Look, yeah, there's sun waxes and way, you know, you 378 00:20:00,920 --> 00:20:03,720 Speaker 2: get bees there. Be careful of these reports. Sometimes the 379 00:20:03,760 --> 00:20:05,840 Speaker 2: sun does play up a little bit, then it dies down. 380 00:20:06,359 --> 00:20:10,680 Speaker 2: It's it's a pulsating star. Stars are funny things. Our 381 00:20:10,720 --> 00:20:12,680 Speaker 2: sun is the same. Even though it's a very very 382 00:20:13,160 --> 00:20:16,240 Speaker 2: gentle star and it's an average star is very safe 383 00:20:16,280 --> 00:20:19,240 Speaker 2: sort of the star. It still doesn't have little hiccups 384 00:20:19,280 --> 00:20:21,280 Speaker 2: now and then, you know, so just be careful of 385 00:20:21,280 --> 00:20:24,720 Speaker 2: these reports. Sometimes you get an influx or an outgoing 386 00:20:24,800 --> 00:20:28,080 Speaker 2: of you know, solar flares, which is probably happening right now, 387 00:20:28,119 --> 00:20:30,800 Speaker 2: and then it dies down for a little while. Nothing dangerous. 388 00:20:30,840 --> 00:20:32,959 Speaker 2: I mean, this son of ours been there five billion 389 00:20:33,040 --> 00:20:36,760 Speaker 2: years and astronomer's think there's enough in it till us 390 00:20:36,920 --> 00:20:38,600 Speaker 2: released another five billion years. 391 00:20:39,320 --> 00:20:41,080 Speaker 1: All right, Well, let's hope that is the case. 392 00:20:43,119 --> 00:20:44,840 Speaker 2: I wanted to be there for a long time. I 393 00:20:44,840 --> 00:20:48,760 Speaker 2: love there, can I tell you say, Matthew, I know. Look, 394 00:20:48,800 --> 00:20:50,840 Speaker 2: I've been trying to reach the valance and she's a 395 00:20:50,880 --> 00:20:54,200 Speaker 2: listienative program. She loves this statement and we did meet 396 00:20:54,200 --> 00:20:56,800 Speaker 2: her in Adelaide and she's listening now. I have been 397 00:20:56,840 --> 00:20:59,159 Speaker 2: trying to get in contact with it. Just well, if 398 00:20:59,160 --> 00:21:01,720 Speaker 2: you're listening, I'll I'll give you a call. You've got 399 00:21:01,840 --> 00:21:03,520 Speaker 2: You've got a lot of good listeners in you know, 400 00:21:03,720 --> 00:21:05,919 Speaker 2: space listeners out there in Atlanta to you what. 401 00:21:06,119 --> 00:21:08,560 Speaker 1: Oh yeah, they love the segment, as you say, So 402 00:21:08,720 --> 00:21:09,080 Speaker 1: that is. 403 00:21:09,960 --> 00:21:10,920 Speaker 2: I should have met hearing. 404 00:21:11,560 --> 00:21:13,080 Speaker 1: Oh you should have. You would have had lots to 405 00:21:13,160 --> 00:21:18,200 Speaker 1: chat about. Good on your Dave. We'll talk next week. 406 00:21:18,000 --> 00:21:21,399 Speaker 1: Thank you, Dave Rennick. You'll find his website that's tro 407 00:21:21,600 --> 00:21:24,080 Speaker 1: Space News. Just google that and he'll pop up on 408 00:21:24,119 --> 00:21:24,920 Speaker 1: the website too.