• altphoto@lemmy.today
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    18 days ago

    I can see all the assholes from here!!

    Also… Yeah your X argument regarding Y is hugely important and so your economic and societal views should be more important than knowing that people are starving and or dying somewhere in that blue ball, so don’t do anything about it.

    Like if you own 90% of all human resources, don’t just give hungry people enough to eat. That makes sense. You are an awesome human being for figuring out how to take so much from everyone else… ASSHOLE… You know who you guys are.

  • hansolo@lemmy.today
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    18 days ago

    Glamour shot or our shield. Literally - the far side of the moon absorbs many small meteorites that might otherwise hit Earth. That’s why it has no large mare, it’s just oops all craters. Artemis II found 3 new craters since the last time the far side had been mapped in detail.

    • guitarfosec@infosec.pub
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      17 days ago

      These types of photos always do remind me of the fact that we live in an incredibly hostile universe. Helps me to appreciate how lucky we are to have this watery rock with a big bubble around it to live on.

    • Rolder@reddthat.com
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      18 days ago

      To be fair a lot of meteors hit earths atmosphere and disintegrate. Poor moon doesn’t have an atmosphere to protect it though

    • Buddahriffic@lemmy.world
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      18 days ago

      Yeah but the one time (we think we know of) that we collided with another planet, the moon didn’t even show up until just after. Fucking slacker.

      And ever since then, it’s been edging farther and farther away, like it has better things to do than take meteors to the face for us (and asteroids to the ass). We need some sort of tether or leash to keep it where it is.

      Which just happens to be when it’s the same apparent size as the sun, a lucky coincidence for anyone who has had the pleasure of seeing one, because this might be the only place in the entire galaxy where such a thing even happens.

      • hansolo@lemmy.today
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        17 days ago

        The Moon was probably just scared of dinosaurs.

        What’s kind of crazy about the perceived distance thing is that timing of being in this planet now also plays a factor. 100 million years ago a 1ish% relative size larger might have made for far fewer annular eclipses. Or more, I can’t find any info on that, but I expect fewer annular and more total eclipses. Of the 224 eclipses this century, 72 are annular and 68 total.

        But it’s all part of this scifi bonkers planet. Our star makes us have crazy light rivers in the sky at the poles because molten iron inside the planet is spinning faster than the outside of the planet to make giant magnetic currents. The crust isn’t even solid, it’s a slow moving chunky ice flow of silicates, like some busted-ass pie pulled straight from the oven. Huge deposits of dead trees and other early life got buried and remained intact as seams or seas of hydrocarbons, just hanging out. In some places the life that evolved here can die and get buried and some of the remains turned into stone versions of itself. We can bounce radio waves of the inside of the atmosphere and the magnetic currents for our convenience.

        Sorry, but it always sends me down a rabbit hole of how weird this place is and we just get used to it.

  • AngryCommieKender@lemmy.world
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    17 days ago

    That’s much bigger than “a basketball at arm’s length,” as was described by NASA. That’s more like an oversized beach ball at arm’s length for me, and I have a 7’6" wingspan. I’m 6’3" in height, and rather lanky.

    • renormalizer@feddit.org
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      17 days ago

      To be fair, they have the advantage of 400mm lenses. You can take a full-frame picture of a basketball from 10m away with those.

  • yesman@lemmy.world
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    18 days ago

    What the hell is an .avif format? Anyway, you can just save it as .png and that works.

    • Azzu@lemmy.dbzer0.com
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      18 days ago

      It’s probably the best open format for pictures, based on the AV1 codec. Better compression than jpeg and can do lossless with better compression than png as well.

    • Blackmist@feddit.uk
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      18 days ago

      It’s a .webp file for me.

      Chances are the program you’re using supports all this crap, and ignores the extension anyway, because far too many people just rename files to “convert” them.

      Only real way to be sure is to open it with a hex editor. The first few bytes will tell you what a file type really is.

      • deadcream@sopuli.xyz
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        18 days ago

        Lemmy probably returns images in different formats depending on what client supports (and ones with better compression take precedence).

    • PrimeMinisterKeyes@leminal.space
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      18 days ago

      I’ve been using it as a sort of litmus test for AI images. Even at a high quality setting, AVIF compresses them down to almost nothing.
      Something to do with the lack of natural “jitter” in AI images and the way AVIF has been designed to perfectly deal with this.

      • Buddahriffic@lemmy.world
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        18 days ago

        Oh guess the AI folks haven’t yet realized that you can increase perceived accuracy by adding a small amount of random noise.

        Which of course they didn’t, because then they’d need to understand some things about images instead of just throwing whatever data they can find at it and hoping it figures it all out from that.

        Though I’m not sure how much it applies to images, as the examples I’ve seen were audio. But it’s cool to hear a low bitrate audio sample of someone talking unintelligibly and then play that same clip with random noise also playing and suddenly you can understand what is being said.

      • qqq@lemmy.world
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        18 days ago

        The diffusion models at least were basically designed to “remove noise from a random image until a real image emerged” so that actually makes a lot of sense, interesting

      • addie@feddit.uk
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        18 days ago

        Not arguing that PNG is the right choice, but you want something lossless for science purposes, and this is a science image.

        You can tell roughly what order the impact craters were formed by seeing what overlaps what; looks like the small impacts mostly followed the big impacts. Maybe the earth’s orbit cleared out the bigger stuff first? If you had a really good image, you might be able to work out the average impact angle, and therefore the average speed of impact, since we know the speed of the moon, and how they would intersect. Nothing’s filled with lava like it has on the near side of the moon, which makes me think these have mostly happened later in the moon’s life, when it’s cooled down a bit.

        I just love space, I’ve no education in it. I bet someone with a fancy moon science degree would be able to tell you a lot more, and they’d be poring over every pixel. Don’t want any JPEGs getting in the way of that.

        • PodPerson@lemmy.zip
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          18 days ago

          The short answer is size. Longer answer is because of how the compression works and it’s not what it was designed for. PNG are more suited to graphics.

  • Ech@lemmy.ca
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    18 days ago

    That “highest resolution image of the moon” user on Reddit is gonna have to find a new gimmick.

  • HubertManne@piefed.social
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    18 days ago

    someday we will be able to automate such tasks helping protect human lives and money. till that day brave men and women will have to brave the dangers of space to get pictures.