Robot Awakes From Long Space Hibernation, First-Ever Spacecraft Ready To Land On A Comet By Rida Ahmed r.ahmed@hngn.com | Mar 28, 2014 04:59 PM EDT Projecting spectacular tails of gas and dust, comets follow elliptical orbits around the Sun as close brushes with the star cause their surface ice to evaporate. (Photo : NASA) A […]![]()
