00515nam a2200097Ia 4500 170517s9999 xx 000 0 und d Welcome to Mars On January 3, 2004, a compact rover named Spirit, cushioned inside a pyramid of balloons, hurtled through the martian atmosphere and crash-landed on the dusty surface of Mars. Minutes later, Spirit sent its first message home. The elation of the assembled scientists,... Science. http://topdocumentaryfilms.com/welcome-mars/ 334496 334496 0 0 0 CL CL 2017-05-17 0 2017-05-17 00:00:00 2017-05-17 DF