Saturday, January 14, 2012
Russia's failed Mars probe, Phobos-Grunt, is about to fall back to Earth - quite probably on Sunday
Get your hard hat on. The spacecraft has been losing altitude rapidly in recent days and will soon be pulled into the top of the atmosphere where most of it will be destroyed. Estimates suggest that only about 200kg will survive the fiery plunge and hit the ground. But that's still going to totally mess up your day if you get it on the noggin. So keep looking up.