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They are able to simulate the particles of the sand, and then they compare what their simulation tells them to what they actually see when they drive the rovers around in the real world, and then compare that to what they've learned about driving around on the surface of Mars.
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We've got a story about this from Evan Goff.
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[tape scratching] All right, now some really cool pictures from Mars.
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So first up, this is an image of the Archean Fossae region, taken by the European Space Agency's Mars Express spacecraft.
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It has a region of deep cracks and valleys with alternating chunks of raised and lowered ground.
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This creates this jagged landscape, where you've got these cracks and ridges that can run for hundreds of kilometers, and they can go down to depths of a couple of kilometers.
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This wasn't the end of the activity in the region, because planetary scientists, when they look at these images, can see evidence that there were rock glaciers moving through this area, continuing to scour the bottoms of these cracks.
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And there are no glaciers in this region on Mars today, but we know that the axial tilt of Mars changes pretty dramatically over time, because it doesn't have a large moon to keep it stable.
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And so the axial tilt of Mars can sort of roam back and forth, and there was a time in the past where this region was more oriented to a place where there were glaciers operating on the surface of Mars, and then other times when it was tilted away and you didn't get glaciers.
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And so just by looking at this region on Mars, scientists are able to do detective work to figure out what the climate was on Mars in the past.
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We've got a story about this by Mark Thompson.
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Uh, the hills are about 65 kilometers away, and sort of give you a sense of perspective on, on how far you can see on the surface of Mars.
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And then there's a whole bunch of rocks, some which are relatively close.
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So it just shows sort of how busy Perseverance has been on the surface of Mars.
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We've got a story about this by Matt Williams that goes into a lot more detail about all the individual objects that you can see in this picture.
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[tape scratching] Now, you're watching this week's Space Bites, and, you know, there's a lot of space news in it, but this is just a fraction of the space news that we're covering at Universe Today.
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This is a fast radio burst that was detected when it was just three billion years after the Big Bang.
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And then another story about how artificial intelligence could be used to prevent satellite collisions.
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And then astronomers capture the rare birth of black hole activity.
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Now, these are just some of the stories.
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I write a weekly email newsletter that goes out on Fridays.
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I write every single word in it, you know, by human for humans.
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Well, good news, there is.
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We offer it totally for free, with no ads, over on Patreon.
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And this week's bonus story, the Eye of Sauron, a supermassive black hole jet pointed directly at the Earth.
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And I'll put a link in the show notes, and you can just watch it right now.
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[tape scratching] I'm gonna talk about clickbait in a second, but first, I'd like to thank our patrons.
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Thanks to Abe Kingston, Andrew Gross, Bradley Koering, Brian Bode, Ceridwen, Chuck Hawkins, Commander Beluck, Si Nelson, David Gilton, David Matz, Evan Pro, Greg Feely, Hudson Moore, James Clark, Jeremy Madden, Jim Burke, Jordan Young, Russell Switz, Michael Purcell, Monto, Nick Borquez, Nick Salari, Paul Robuck, Ron Kaidu, Robeck, Sean Sergeant, Stephen Fowler-Melly, Vlad Chiplin, and Wolfgang Klaus, who support us at the Master of the Universe level, and all our patrons.
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All your support means the universe to us.
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Every week, no matter what we do, we get people accusing us of doing clickbait.
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On the one hand, people didn't like us having a picture of me look like a blue Avatar/Aang The Last Airbender, and that I was humiliating myself for the clicks.
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Um, and, uh, sorry, I think it was hilarious.
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I guess you won't watch this, because you, uh, left the channel at this point.
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Uh, but, you know, like, whatever, we're gonna have fun, and I don't care.
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[laughs] And A- uh, Anton, when he, when he made the thumbnail, he's like, "Either you're gonna love this or you're gonna hate it.
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Uh, but the, the sort of clickbait accusation, I think, is one that's always really tricky, because the reality is, is that we're on this really competitive platform, which is YouTube, and that we are fighting against people who are using AI to generate thousands of videos a day.
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Uh, go ahead, go into the search box, type JWST, or Big Bang, or anything, and then sort by the most recent, and you will just see AI slop for the entire page.
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Very rarely do you actually see real videos anymore.
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And a lot of the more popular videos get 10 times more views than we do in actually, like, doing the reporting, having people work on this stuff by hand, producing hilarious nerdy thumbnails by hand.
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This is what we're up against.
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I think, you know, clickbait is when you say something and it is, like, not true.
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Like, you've [laughs] ...
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you're lying, or you are deeply, uh, over exaggerating what it is that's been found.
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And I think we try to walk that line.
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But obviously, it's always, you know, up to the eye of the beholder.
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" Other people, uh, they are enraged the moment they see anything that is, uh, clickbait.
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And yet, the reality is that if we didn't push the boundaries, nobody would watch our videos at all.
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Like a tree falling in the forest that nobody hears.
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So, I know this is always gonna be an issue that people are gonna argue about, and, uh, it's fine.
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We have fun, and we focus on our journalism, and that's the thing that's most important to us.
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And yet, we have to play the game.
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That's the YouTube game, and so we will keep playing at the best of our ability.
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All right, we'll see you next week.
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Founders, creatives, and mamas behind the incredible Instagram account, Grow Playroom.
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If you're a parent who's ever wondered how to create a more intentional play-based space at home, or how to turn everyday moments into meaningful learning, you've probably already come across their inspiring content.
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She's so sold.
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So, the whole concept about it is, which is, the philosophy is, if your child's entertained in a safe, you know, educational, play-focused space, then the parent has time for themselves.
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So, this week, Victoria had...
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And this week, she had her kindergarten graduation ceremony.
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And I was not prepared.
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I was like, [imitates crying] uh.
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But you guys, she was in the front row, and she was in the center of the front row.
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[laughs] And not gonna lie, like, other kids were looking at her to follow, like, the next dance move.
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Why am I wearing this outfit?
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" But for this one, you know, now we're entering that age of, like, they're. ..
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Um- Makes sense.
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Um, how did you feel?
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No, I was a little emotional.
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And I'm so happy that we gave them the Flanagan's gift cards.
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" [laughs] [laughs] She went and buy them these restaurant gift cards.
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And it was so, like, she...
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As you should be.
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So, my son is...
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Um, and he's in the stage where he's like, so babyish for a lot of things, but, like, such a big boy for other things.
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So, last night, he...
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We could watch, like, a little bit of a movie and then we could get to bed.
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With his little stuffed animals.
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[sniffs] [laughs] And he's like, "Mama, mama, close your eyes, close your eyes.
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He put some books, and he put, like, uh, some dinosaurs in my nightstand.
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And I don't know, he was just so cute and he was so small.
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No, he goes, "Wait, do you know how to make popcorn?
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" [laughs] "Like, I, I like getting off, and I like giving you a hug and a kiss, and I like walking you into, into your room.
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So, I'm like, I literally parked on the side, like, right by his door, and he opened the door, and he got his backpack.
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But it was, like, a very big boy moment.
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And the fact that he asked me not to get off, I was like, [imitates choking] .
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[laughs] I so, like, got off really quick, gave him a kiss, whatever, really quick.
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So, you know, it's cute.
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It's just to have, like, that cu- cute balance where, like, at home, he's so, like, wants to be cuddled and, and carried and, you know, treated like a baby.
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Um, so why don't we welcome Ann and Jodi to Motherish.
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She just, like, said, "Let go," and she's been off.
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On the mornings when I've been walking with her to school.
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It actually is me just running with her as she's flying on her bike.
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[laughs] Um, and I think you...
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She is an onstage kid.
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[laughs] Listen, Lulu is always ready to take over the world.
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[laughs] [laughs] How about your Motherish moment, Ann? Yeah.
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And all the sudden, like, motherhood feels different, right?
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Last night, I was, like...
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he gets up, he's do...
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N- and then he's like, "Oh, I'm just gonna read this book.
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