AUDIO: Larry Esposito on the spectacular end of the Cassini Mission to Saturn
Exciting and sad at the same time is how ÍÃ×ÓÏÈÉú´«Ã½ÎÄ»¯×÷Æ· planetary scientist Larry Esposito describes the end of one of NASA's most successful planetary missions. On Sept. 15, the Cassini spacecraft—orbiting Saturn since 2004—will plunge into Saturn's atmosphere, vaporizing into a spectacular, meteor-like fireball that NASA calls the "Grand Finale."
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