This week in house information: Artemis II subsequent steps and a mysterious interstellar customer : NPR

SCOTT DETROW, HOST:

Here with the second version of our house information roundup with our mates from Short Wave and the science desk, host Regina Barber and NPR science correspondent Nell Greenfieldboyce are right here. And, Nell, welcome to a section final time round we determined we would name Spacing Out with Scott. So let’s begin with the vital query. Do you like that, or do you hate it?

REGINA BARBER, BYLINE: (Laughter).

NELL GREENFIELDBOYCE, BYLINE: I imply, I prefer it as a reputation. I attempt to not house out when I’m speaking with you, however, I imply, you’ll be able to house out if you wish to, I assume.

BARBER: (Laughter) Yeah, she’s knowledgeable, OK?

DETROW: So I’ve a suspicion of what we’re speaking about as we speak, given how a lot house information I talked with Nell in latest weeks, however what’s on the desk?

GREENFIELDBOYCE: Well, for one factor, we’ll speak concerning the success of the Artemis II mission, however extra importantly, we’ll look forward to what’s in retailer for the subsequent Artemis missions.

BARBER: Yes, and we’re additionally going to speak about water on an interstellar comet and what that tells scientists concerning the unknown photo voltaic system it got here from, plus what seismic information tells us concerning the energy of eclipses.

DETROW: All proper, nice. Nell, I’ve been in Artemis II withdrawal. That was such…

BARBER: (Laughter) It was intense.

DETROW: It was such a uncommon enjoyable story to cowl. It was the primary time individuals ventured out to the moon in 5 a long time. The mission, by and enormous, went rather well.

GREENFIELDBOYCE: And we have been each on stay collectively for the launch and the splashdown.

DETROW: I do know, we’re simply going to should superimpose a rocket blasting off behind you for this as a result of that was such a cool second final time.

GREENFIELDBOYCE: Yeah.

DETROW: You know, not all the time, however, you recognize, when it occurs, it is nice. But I believe one key factor that made this such a phenomenon of a narrative is that the astronauts actually appear to be having a enjoyable time doing it.

BARBER: Yeah. And they took, like, attractive images. They broke a report for going the furthest individuals have ever gone from Earth.

DETROW: But the vital caveat that we all the time needed to work in after we talked about this was the truth that they by no means really landed on the moon.

BARBER: No, no, no. The crew capsule cannot land. In reality, I learn that the astronauts want one other automobile to do this – proper, Nell?

GREENFIELDBOYCE: Right. So Jared Isaacman, he is the top of NASA who took cost just a few months in the past. He’s this businessman and a personal astronaut. Anyway, he has been making an attempt to hurry up the 2 corporations which have contracts with NASA to develop a lunar lander, so the {hardware} they should land on the moon. Those are – SpaceX and Blue Origin are the businesses.

DETROW: Any sense once they assume they could have a lander prepared?

GREENFIELDBOYCE: It’s onerous to know since these business corporations are inclined to hold issues as personal as they will, though typically stuff simply occurs. So for instance, Blue Origin simply had an issue with the higher stage of its new Glenn rocket. I imply, they didn’t put a satellite tv for pc into the appropriate orbit, after which the Federal Aviation Administration grounded the rocket whereas there’s an investigation. So there’s been a number of chatter about how all that would decelerate Blue Origin’s work to help the moon touchdown effort.

But anyway, NASA has stated that they plan to check one or possibly even each landers subsequent yr. And so the essential concept is to launch the crew capsule with astronauts on board, then launch one or each landers in order that they will sort of rendezvous with the lander and attempt to, you recognize, attempt issues out in house, however do all of it near Earth. So they’d be testing propulsion, life help, all that sort of stuff.

DETROW: And is the considering that if that works properly, then they will go forward with a mission after that and attempt to land on the moon, stroll on the moon?

GREENFIELDBOYCE: Yeah, I imply, NASA says the touchdown might occur as quickly as 2028. But, you recognize, there are virtually all the time delays within the house enterprise. Still, NASA is actively getting ready for floor operations on the moon. They’ve even been doing observe simulations with the Artemis II astronauts who simply got here again, like Christina Koch.

(SOUNDBITE OF ARCHIVED RECORDING)

CHRISTINA KOCH: When we received again to Earth, all of us, inside one or two days, have been in floor spacewalk fits, doing floor geology duties and doing them properly.

BARBER: That should have been so cool to, like, go well with up after which fake to be, like, learning moon rocks on the lunar floor, having simply been so near the precise moon.

DETROW: One different factor I wish to point out about Artemis was that actually cool second the place they received to witness a photo voltaic eclipse from house…

BARBER: Yeah.

DETROW: …The moon passing in entrance of the solar.

BARBER: Yeah.

DETROW: It was so cool to see these footage, and that, after all, additionally jogged my memory concerning the photo voltaic eclipse close to and expensive to our hearts, April 2024, only a few years in the past, such a joyous second. I actually loved it. And, Gina, I’m completely happy to listen to that we’ll be speaking eclipses for the subsequent matter.

BARBER: Yeah, we completely are, and we’ll speak about seismic exercise.

DETROW: OK.

BARBER: So, Nell, you noticed the photo voltaic eclipse, too, proper?

GREENFIELDBOYCE: Of course, I noticed the full photo voltaic eclipse. I’m not going to overlook that.

DETROW: I went with my children’ faculty standing out on the sphere in entrance of the varsity with a bunch of youngsters looking at it, and it was nice.

BARBER: Yeah.

DETROW: It was a enjoyable day.

BARBER: I do not know if this occurred to you all, however, like, I noticed the full photo voltaic eclipse in Buffalo. Everyone was, like, tremendous excited. They have been, like, actually loud. And then when totality occurred – that is when the moon totally covers the solar and when you’ll be able to see that ghostly corona flickering round it – everybody received actually nonetheless, actually quiet. And this stillness was recorded by seismometers throughout North America.

BENJAMIN FERNANDO: People have been altering their habits with a purpose to exit and think about the eclipse. And that is actually the primary time that anybody has checked out human habits by means of seismics and acoustics that I’m conscious of throughout an occasion like a photo voltaic eclipse.

BARBER: So that is Benjamin Fernando, a planetary scientist at Los Alamos National Lab, and Benjamin and his staff discovered that within the cities that have been within the path of totality, like, the place you can see that whole photo voltaic eclipse, it was seismically quiet. So seismometers choose up noise from all types of issues, like vans driving round city, you recognize, constructions, even music live shows.

DETROW: Right. And I all the time take pleasure in tales like this since you’ll choose up – you recognize, like, you will see {that a} huge live performance, like a Taylor Swift live performance…

BARBER: Yes.

DETROW: …Actually has seismic exercise. So that is sort of like that, however the whole reverse?

BARBER: Yes. Yeah, yeah. So I keep in mind that Taylor Swift live performance, too. It was actually cool. It was really round, like, 2.3 magnitude earthquake, I believe, is what they recorded.

GREENFIELDBOYCE: Because they have been leaping up and down, proper?

BARBER: Well, it is ‘trigger they have been singing, too, like, their simply motion and swaying. And Benjamin stated that seismometers are capable of detect how quiet every part turns into. It’s a very good reminder that these instruments can serve one other function, like to assist us perceive noise air pollution and the way it impacts our well being and our surroundings.

DETROW: Last matter, we’ve not gone interstellar but in Spacing Out.

BARBER: No, not but.

DETROW: We’re doing it now – 3I/ATLAS, one in all a few interstellar objects that got here our means just lately. There’s some information. What’s occurring?

BARBER: Yeah, so it is a comet that shaped exterior of our photo voltaic system, and it was simply discovered zooming by means of ours final July. And at the moment it is in between Jupiter and Saturn ‘trigger it is nonetheless in our photo voltaic system. And after learning it for some time, astronomers assume they know a bit bit extra about the place it got here from.

DETROW: Where?

BARBER: (Laughter) It was someplace colder than right here, than our photo voltaic system.

GREENFIELDBOYCE: Wait, how do they know that?

BARBER: Yeah, to allow them to take a look at the water evaporating from the floor of the comet utilizing an array of radio telescopes in Chile. So scientists discovered that in contrast with comets made in our photo voltaic system, 3I/ATLAS has water that is totally different. Specifically, it is received extra of this so-called semi-heavy water, and that is water with a barely altered make-up. And which means it most likely shaped in a colder setting. So it is doubtless that it comes from a photo voltaic system that shaped in a different way than our personal.

DETROW: How shut does that get scientists to understanding, although, which particular star system it got here from?

BARBER: It actually does not. So they do not know that.

DETROW: OK.

BARBER: But this data actually helps scientists examine future interstellar comets and to see if they’ve the identical water composition as a result of in recent times, scientists have gotten higher at detecting these interstellar objects, and it appears doubtless that they will discover extra. So alongside the best way, they will ask, like, is the water composition widespread, this one which we have seen in 3I/ATLAS, or is it distinctive? Are we distinctive?

DETROW: Regina, you are distinctive.

BARBER: Aw.

DETROW: Don’t fear about it.

BARBER: Thank you.

DETROW: That is Regina Barber and Nell Greenfieldboyce of NPR’s science podcast Short Wave. You can test it out. They speak about science on a regular basis – not simply house, the opposite sciences as properly. Thanks to each of you.

BARBER: Thank you.

GREENFIELDBOYCE: Thank you.

(SOUNDBITE OF MUSIC)

Copyright © 2026 NPR. All rights reserved. Visit our web site phrases of use and permissions pages at www.npr.org for additional data.

Accuracy and availability of NPR transcripts might differ. Transcript textual content could also be revised to appropriate errors or match updates to audio. Audio on npr.org could also be edited after its authentic broadcast or publication. The authoritative report of NPR’s programming is the audio report.