Corey S. Powell

@coreyspowell

Casting pods with on Science Rules. Making magazines and . Writing all around. Science-curious.

Brooklyn, NY
Vrijeme pridruživanja: veljača 2009.

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  1. prije 5 sati

    SOMETHING in this galaxy, half a billion light years away, gave off 4 powerful radio bursts over 5 hours. But even this extreme zoom image can't reveal the source of the commotion.

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  2. prije 5 sati

    Sudden flashes of radio waves (fast radio bursts) appear from all direction in deep space. Nobody knows what they are--and the latest attempt to track one down has only deepened the mystery.

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  3. prije 11 sati

    How to find a black hole even if it is completely, totally black:

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  4. prije 13 sati

    There are an estimated 100 million black holes roaming our galaxy. We can't see them, but now we have a way to find them--by the way they bend the light of visible stars.

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  5. 2. velj

    What better way to remember , the great infrared space telescope, than by recalling its launch in 2003--as seen through an infrared (heat-vision) camera.

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  6. 2. velj

    A crescent Earth rising over the Moon, seen from Apollo 14 on February 6, 1971. Not as famous as the Apollo 8 Earthrise, but this one has such an eerie beauty.

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  7. proslijedio/la je Tweet
    2. velj

    me: ah nobody wants to hear this specific esoteric celestial mechanical fact also me: wait, everyone reading this lives on Earth and very few know the planet they're on rotates 366 times per year

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  8. proslijedio/la je Tweet
    1. velj

    Tomorrow is not just but also a palindrome: 02022020.

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  9. 1. velj

    After Lyman Spitzer died, his remarkable legacy lived on in the Spitzer Space Telescope. Now that the telescope has died, its legacy lives on, too, in a grand chain of discovery. By me for .

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  10. 1. velj

    Stars are great at generating energy, but life is astonishingly effective at *concentrating* energy. Cosmologist Eric Chaisson argues that the long-term cosmic trend is toward greater and greater energy density.

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  11. 31. sij

    Strange but true: Your body gives off 60 times as much energy as a same-size chunk of the Sun's core. The Sun is brilliant because it's huge, not because it's efficient.

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  12. 31. sij

    These "ghost worms" appear identical to their ancestors living 140 million years ago, back when Stegosaurus was swinging its spiked tail. Sometimes natural selection favors staying just the way you are.

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  13. 31. sij

    The peculiar aurora known as "the dunes" may occur when storms from the Sun hit waves that ripple high in the atmosphere. However it happens, it's beautiful.

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  14. 31. sij

    A few years ago, citizen scientists discovered a new kind of aurora called "Steve." Now they've found another strange one, a wavy glow they named "the dunes." (Not "The Dude"--missed opportunity.)

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  15. 30. sij

    The final command has been given to terminate the Spitzer Space Telescope, ending NASA's Great Observatory mission after 16 phenomenally successful years.

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  16. 30. sij

    Abstract pictures of space tend to remind people of food. Misheard song lyrics ("mondegreens") tend to be about food, too. I guess we're all just really interested in our next meal.

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  17. 30. sij

    The spacecraft is so far from Earth that the stars look different there! It's going to send back pictures so we can make a 3D view.

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  18. 30. sij

    Things the Sun looks like, according to my Twitter feed: Caramel corn, chicken nuggets, baked beans, mapo tofu, Rice Crispies, honeycomb, monkey bread, poutine, lasagna, peanut brittle. Definitely food. Except for the one person who said it looks like gallstones.

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  19. 30. sij

    The paper explaining how this movie was made is freely available (but highly technical): Here's a more user-friendly explanation of the research:

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  20. 30. sij

    I mean-- Sure, I understand that atoms are real, but actually seeing them is still boggling my brain.

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