Chapter 1: What is the main topic discussed in this episode?
ABC Listen. Podcasts, radio, news, music and more. The four astronauts are getting used to life on solid ground.
And while we might be winding down our coverage... NASA's already eyeing the next Artemis mission. I'm ABC science reporter Jacinta Bowler. And I'm Belinda Smith.
This is Artemis Explained, a daily-ish podcast about the Artemis 2 mission to the moon.
Chapter 2: What updates do we have on the Integrity astronauts after their return?
For Science Fiction on ABC Radio National. Let's skip mission in under a minute because, you know, the main part's over. But I would love to get an update on what our emotional support astronauts have been up to since they landed a few days ago.
Chapter 3: What are the next steps for NASA regarding Artemis III?
So, yeah, what have they been doing? They've been very busy. So within a day, they were actually wheeled out in front of audiences and they've been on TV. Oh, my gosh. They've just been in space.
Just give them some time to put their feet up.
I have absolutely no idea what to say. This is... 24 hours ago, the earth was that big out the window and we were doing Mach 39 and here we are back in Ellington at home.
It's actually quite interesting because watching this video, you can kind of tell that they are still really processing how this all went down. So Reid Wiseman talked first and he talked about how much he missed his family while he was up there. Victor Glover said that he had not processed what he did before. He also thanked God and teared up explaining how grateful he was for the experience.
Christina Cook talked about how seeing tiny Earth from outside of the spacecraft, she thought of it as a lifeboat hanging in the universe. Oh, it just gives me tingles. Yeah. And then Jeremy Hansen said, and I quote, it's been a lot and this isn't helping, but this is the furthest I've been away from Reed in a long time.
I experienced that feeling actually in the past couple of days where we've had time off of this podcast with you, Jacinta. So, you know, I can understand Jeremy Hansen's feelings. At least we went in a tiny little capsule together. This is true. I mean, his studio feels like it sometimes. Yeah.
And you haven't heard us talk a lot about the science, the things we've learned, and that's because they're there and they're incredible.
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Chapter 4: How are astronauts coping emotionally after their mission?
But it's the human experience that is extraordinary for us. And it sounds like maybe for you too.
It's quite interesting now that we don't have a 24-7 feed of them that we can watch exactly what they're up to. We've had to go back to stalking them the old-fashioned way on social media. Ah, great. So one thing I wanted to highlight was that Christina got home and videoed her dog being so excited to see her. It's really beautiful.
I've been 10 days in space and I think this dog was the most excited out of all of us that she was home. Imagine how she smelled to that dog. Sweet! It would be really strange. Yeah. Also, Jeremy said that he got to enjoy his 23rd wedding anniversary with his wife, which happened just a few days after landing, which is cool as well.
Very nice.
Lovely.
Good one, Jeremy. What else have they been up to? Surely there's some sort of official astronaut business they also have to take care of.
Yeah, there has been some official astronaut business. So they've been doing reconditioning, medical and human performance evaluations, and lunar science debriefs. Weirdly, they actually did a simulated moonwalk pretty soon after they landed.
They had the full spacesuit on because NASA wanted to test how astronauts would go after being in space so that when they actually go to the moon, you'd be able to see how they would act immediately after those low gravity conditions.
Oh, wow. Okay. So how long after they actually landed did they have to get suited up again? I'm not sure, but it was within the first 24 hours. Interesting. Okay. And speaking of science-y stuff, we've talked a lot about the amount of data that's been generated by this mission. You know, thousands and thousands of photos, hours of audio of the astronauts talking about what they're seeing.
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Chapter 5: What official duties are the astronauts handling post-mission?
I couldn't find the data for the Artemis astronauts specifically. I'm sure that will come out, but we haven't got it yet. But we do know that they will be slightly different. The reason is because I managed to find the data for the Apollo astronauts as they did this kind of experiment with the clocks on board.
So in Apollo 12, there was a gain of 560 microseconds, and Apollo 13 gained 326 microseconds. I'm going to say I'm going to make an educated guess and say that the Artemis astronauts would be closer to Apollo 12 because that was also a 10-day mission.
Okay, so just unpacking this a bit, the clock on Apollo 12 after their mission would have been 560 microseconds ahead of the clock that remained on Earth.
Yes, and the reason for that is because of general and special relativity.
Okay, let's go from crazy mind-bending physics to a slightly simpler question. So this is from Amelie, who's five, and she wants to know why she can see the moon during the day even when the sun is out. And she's been enjoying imagining the four Artemis astronauts flying through space back to Earth.
I really did enjoy that as well. Watching the moon as it's doing its thing has been very different the last few days. Earth is in the middle. Let's say that we've got a picture, the sun, the moon and the earth in your mind. We're standing on some portion of the earth and we can see the sun because it is daylight and that is what happens. However, we can also see the moon from where we are.
Now, when you can see the moon during the daytime, the sun is also hitting the moon at the same time as it's hitting the Earth. So when those two things line up, which happens quite a bit, you can see the moon during the daytime.
So while we need the sun to have daytime, the moon can be in the sky at any time of the day or night. Yeah, it's not just a night object and we love that about it. A question here from Beck who asks, how come we can't see the space junk satellites and space station in the pictures the crew are taking of Earth?
Yeah, another good question, and something that you don't really think about as well. So the space station, which is the biggest orbital satellite in space, is about the size of a soccer pitch. Now, that's huge, right? That's really, really big. But it's not big enough to see unless the two spacecraft were quite close together.
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Chapter 6: What scientific data will be released from the Artemis II mission?
That's a great question. We've done the maths on this, and we think that you would probably have to go much faster than we're capable of, especially if you've got humans aboard. Now, interestingly here, it's actually, because the sun is in the middle, you would have to kind of go round the sun, or if you could manage to go straight through it, maybe. But even if you could do all of those things...
The Earth is travelling about 107,000 kilometres per hour around the Sun, which is much faster than the spacecrafts that we're using. So I think you'd be better off just getting a lift on Earth and waiting the six months.
And finally, we've got this great question from Amber, and she wrote in with, Recently, I was sharing my excitement with a friend who surprised me by being slightly doubtful about the whole mission. He didn't go as far as saying he doesn't believe we have landed on the moon.
However, he couldn't understand why we have taken so long to go back again, especially considering the huge progress that's occurred with technology over the past 50 years.
Is there an obvious answer to this? This is a really good question. And it's a question that I've been getting a lot as well. Like, we did it once. Why are we doing it again? I think that we're doing it again now because we're kind of in a second space race. So... China said that it wants to put an astronaut on the moon by 2030.
And America and American companies are very interested in making sure that they shape how this goes forward. So to think about what we have gotten better at in the last 50 years is It's not necessarily space travel. We finished the moon missions. We stopped doing that.
When we think about the technology of this, which I think is an interesting part of your question, Amber, we're not very good at going to the moon because we haven't prioritized it. And that's okay. You know, there's lots of things that we've gotten a lot better at in the last 50 years, like the internet, mobile phones. There's lots of good stuff.
But if you don't invest the money and you don't prioritize it, it's just not something that's likely to happen. And I think that's what's happened here.
Yeah.
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