skepttv:

Killer Asteroids: We’re WISE to You Now!

NASA’s WISE mission has tracked down 93 percent of the 1 kilometer diameter or larger asteroids whose size could devastate our planet. The project’s asteroid census has revised the total number of NEO’s down from 36,000 to 20,500.

(via scientiflix)

Source: youtube.com

6science, space, Astronomy, geology,