Showing posts with label satellites. Show all posts
Showing posts with label satellites. Show all posts

1/28/2013

NASA Television ScienceCast: Record-Setting Asteroid Flyby video




On Feb. 15th an asteroid about half the size of a football field will fly past Earth closer than many man-made satellites.

Since regular sky surveys began in the 1990s, astronomers have never seen an object so big come so close to our planet.