The Cassini spacecraft was sent on its way to Saturn in 1997. Since then, she has travelled nearly four billion kilometers, delivered a probe to a toxic moon, discovered phantasmagorical structures on the planet's icy rings, studied the startling atmosphere on a tiny moon. Now, on a daring spiral orbit, Cassini will streak toward Saturn itself, streaming data to Earth before being torn apart.更多《九九热线有精品视频86app》在线播放免费、九九热线有精品视频86app完整版高清在线点播、九九热线有精品视频86app完整版相关记录资源，请持续关注开述影城!