前苏联的"火星2号"(mars 2)和"火星3号"(mars 3)飞船相继发射升空，希望在火星著陆。
基于1个网页-相关网页
First light on Mars occurs at 3:15 a.m.
CNN: Mars' geology 'more like Earth than the moon'
What they found is that about 3% of the total volume of Mars is capable of supporting Earth-based lifeforms.
FORBES: Parts Of Mars May Be Habitable For Earth-Based Life
America's Mars Polar Lander was supposed to touch down on 3 December, 1999.
BBC: Gusev crater (Nasa)
应用推荐
模块上移
模块下移
不移动
