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Infant planetary systems are usually nothing more than swirling disks of gas and dust. Over the course of a few million years, this gas gets sucked into the center of the disk to build a star, while t...
Lunar mission sheds light on early solar system（图）
Lunar mission light early solar system
2010/10/13
The geology of the Moon and the dynamics of the early solar system are much clearer now thanks to three new studies of the lunar surface by NASA's Lunar Reconnaissance Orbiter (LRO). As well as provid...
December 14, 2006，The preliminary examination of space dust brought back to Earth by NASA’s Stardust spacecraft has been completed. The results of the studies, which could help explain the origin of t...