Justin Cowart  

@jccwrt

he/him | PhD Candidate | Martian Geologist | Space Treasure Hunter | Sometimes Writer | Science and Poltics (views my own)

Vrijeme pridruživanja: ožujak 2013.

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  1. Prikvačeni tweet
    10. sij

    Noctilucent clouds spotted over Gale Crater on Sol 2410 (May 18, 2019) by the Curiosity rover. This image combines NavCam images taken after sunset with landscape images taken during daylight hours. The scene has been artificially colorized using reference data from MastCam.

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  2. Here's the original image set:

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  3. That ice is probably still there for the time being, but in the next month or so, the increasing sun angle will start baking off more and more. Will probably be gone by the time Mars reaches equinox in April or May.

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  4. This photo was taken during the local winter. The steep crater rim and relatively low Sun angle (mid-winter at 31S) prevents sunshine from cooking off overnight frosts in the more or less continuously shadowed northern rim. Looks like a relatively substantial amount has built up.

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  5. I got a very nice HiWish request filled on December 31 and the image was just released yesterday, so I thought I'd share. CO2 frost lurking in the shadowed rim of a 700 m crater.

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  6. proslijedio/la je Tweet
    prije 7 sati

    TIL that two meteorites were brought back in the Apollo samples, and both were relatively rare types (enstatite and carbonaceous chondrites!). Pretty fun to see “Moon” listed as the find location in the MetSoc database!

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  8. proslijedio/la je Tweet

    Just reliving the memories of that time Rush Limbaugh made up a story about me posing nude at 14. Good times.

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  9. proslijedio/la je Tweet
    prije 9 sati

    The person who cleans the bathrooms is not the same sort of person.

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  10. proslijedio/la je Tweet
    4. velj
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  11. proslijedio/la je Tweet
    4. velj

    Pulling down a statue is rejecting an account of the past. Destroying records makes an account impossible to write.

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  12. proslijedio/la je Tweet
    4. velj

    "the State Department is cutting archivists completely out of the process: Instead, it will start using machine learning algorithms to separate the “historic” from the “temporary.” Going forward, it is not even planning to turn these records over to the National Archives"

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  13. proslijedio/la je Tweet
    4. velj

    Good morning, the state is actually erasing history

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  14. proslijedio/la je Tweet
    4. velj

    Great reporting: just uncovered that the Trump administration is basically turning CBP into a rogue agency that is, in many ways, shielded from traditional oversight. Terrifying.

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  15. proslijedio/la je Tweet
    4. velj

    Laws like this are absolutely vile. Just let it sink in for a minute: States are actively legislating to prevent an entire class of people from accessing healthcare, effectively criminalizing their existence.

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  16. proslijedio/la je Tweet

    It’s Episodic Tremor & Slip season again in Cascadia! Every 300 days(ish), we get swarms of tiny seismic growls (not even quakes) as the plate saws back & forth. We don’t know exactly why this happens, but it might be dehydration of the subducting oceanic plate?

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  17. proslijedio/la je Tweet
    4. velj

    Watch Buttigieg's surrogate ‘randomly’ win this coin toss for a delegate. 👀

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  18. proslijedio/la je Tweet

    I am one of those annoying "hand-marked paper ballots!" fanatics. We had them this year in Iowa. And they're serving their function. But if we're going to make them the norm, we need to fiercely resist expectations of, and pressure for, instant dispositive results.

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  19. proslijedio/la je Tweet
    4. velj

    1 (one) joke o j n o e k e 1 JOKE OnE jOkE # of jokes: 1 ONE JOKE

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  20. proslijedio/la je Tweet
    4. velj

    The tide of flerf & evangelical hate I get on YT keeps rising... then there are the handles people choose to identify with and my faith in humanity takes another dive.

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  21. proslijedio/la je Tweet

    It's called shamelessly lying and it's exactly what you supposedly hate about Trump.

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