搜索结果: 1-2 共查到“天文学其他学科 the moon”相关记录2条 . 查询时间(0.062 秒)
Telling time on the moon(图)
the moon time asteroids comets other rocky material
font style='font-size:12px;'>
2010/9/21
Ever since the solar system formed roughly five billion years ago, a steady barrage of asteroids, comets and other rocky material has pummeled the surfaces of planetary bodies. Earth’s surface shows l...
Astronomers discover the Moon is shrinking(图)
Astronomers the Moon shrinking
font style='font-size:12px;'>
2010/9/21
Freshly discovered scars on the face of the Moon reveal that this rocky satellite is shrinking at a relatively rapid pace, say researchers based in Germany and the US. Images collected by NASA's Lunar...