Because it’s Friday: Asteroids

November 12, 2010
By

(This article was first published on Revolutions, and kindly contributed to R-bloggers)

A huge mass of rock hurtling in from space could really make a mess of your weekend plans. So it's comforting to know that the world's astronomers are out there keeping an eye for any potential earth-grazers. See their discoveries over the past 30 years in this beautifully-designed animation:


 

Earth crossers are in red; earth approachers are in yellow; other asteroids are in green.

I love the way that the Earth with all its telescopes appears almost as a lighthouse beacon, peering into the murky depths of space.

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