资讯

Q: Name this NASA mission during which astronauts on the moon became the first to drive a lunar rover on July 31, 1971. A: ...
Mars has a cold, desert-like climate with a thin atmosphere that supports extreme temperature variations, from highs of 68 °F ...
Scientists find Mars' glaciers are rich in ice, not rock, revealing clues about its frozen past and its promise for future missions.
The Algodones Dunes, straddling the borders of California, Arizona, and Mexico, may seem like an unlikely location for Mars ...