1. How do researchers track asteroids? And how often have asteroids collided with Earth? (Hint: far more than the number of impact craters on our planet would suggest.) 
For more on the odds and potential hazards of asteroid impacts, and the process of tracking the orbits of near-Earth asteroids, check out this video.
Image: Paul Chodas
(via How Do Researchers Track Near-Earth Asteroids?)

    How do researchers track asteroids? And how often have asteroids collided with Earth? (Hint: far more than the number of impact craters on our planet would suggest.) 

    For more on the odds and potential hazards of asteroid impacts, and the process of tracking the orbits of near-Earth asteroids, check out this video.

    Image: Paul Chodas

    (via How Do Researchers Track Near-Earth Asteroids?)

Notes

  1. spice-melange reblogged this from betterworlds
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  5. fletchcher01 reblogged this from amnhnyc
  6. vcufrednshahrad reblogged this from ehardgrave and added:
    It’s not just rocks my friend. Fortunately, NASA is on it.
  7. ivaess reblogged this from amnhnyc
  8. samerandomguy reblogged this from firefawkes
  9. ehardgrave reblogged this from amnhnyc and added:
    Holy crap, thats a lot of space rocks. to think one day out of no were blamo a meteor comes crashing down on your head
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