一：木星的英文介绍 Jupiter called Suixing, is the fifth new planet from the sun, and is the biggest one, the planet than all the other big 2 times the quality of...

一：土星环有多厚我在网上看到说只有白纸厚为什么环里还有星星土卫二 1675年著名天文学家卡西尼(Giovanni Domenico Cassini, 1625–1712)观测到土星光环实际上是双重的,内外...