Are you glad someone is watching for PHAs?

NASA image shows differences between orbits of   typical near-Earth asteroid  (blue)        and  potentially hazardous asteroid, or PHA  (orange).
PHAs are subset of near-Earth asteroids (NEAs)
Have closest orbits to Earth’s orbit (green), within 5 million miles
Large enough to survive passage through Earth’s atmosphere 
Could cause damage on a regional, or greater, scale
Image Credit: NASA/JPL-Caltech
Can you say “Thank you, NASA?”

Are you glad someone is watching for PHAs?

NASA image shows
differences between orbits of 
  typical near-Earth asteroid  (blue
       and
  potentially hazardous asteroid, or PHA  (orange).

  • PHAs are subset of near-Earth asteroids (NEAs)
  • Have closest orbits to Earth’s orbit (green), within 5 million miles
  • Large enough to survive passage through Earth’s atmosphere 
  • Could cause damage on a regional, or greater, scale

Image Credit: NASA/JPL-Caltech

Can you say “Thank you, NASA?”

  1. a-future-for-us reblogged this from bbglasses
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  5. quaseestelar reblogged this from bbglasses and added:
    É bom saber que tem alguém de olho nos PHAs (Potentially Hazardous Asteroids – Asteroides Potencialmente Perigosos). A...
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  10. podrostkovayarevolyutsionnykh answered: Yes thank you NASA and other such space agencies.
  11. soundsanction reblogged this from bbglasses and added:
    Thank you ALLah and I hope NASA thanks you too
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  14. photographicbalance reblogged this from bbglasses and added:
    WOW!
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  18. bglass reblogged this from bbglasses and added:
    This is really cool, but does NASA have a (preferably non-Bruce Willis-y) contingency plan? I will thank them then.
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