问题描述：
[单选]
宇宙飞船在一颗直径2 .2千米,平均密度2 .2克/立方厘米的小行星上着陆,这颗小行星在缓慢的自转,宇航员决定用2 .2小时的时间沿着这颗小行星的赤道走一圈,他们的这种想法是否能够实现？A spaceship landed on an asteroid 2 .2 km in diameter with an average density of 2 .2g/cm3 . The asteroid is slowly rotating. The cosmonauts decided to travel along the equator of the asteroid in a rover in 2 .2 hours. Will it be possible for them to do such a thing
A．能
B．不能
参考答案：查看无
答案解析：无
☆收藏
答案解析：无
☆收藏
上一篇：为什么有些恒星用蓝光观测时能够被分解为双星,而用红光观测时却不可以？Why might some stars appear double in blue light through they could not be resolved in red light
下一篇：请解释一下为什么我们在午夜到黎明看到的流星要比从傍晚到午夜看到的多？Explain why we see more meteors from midnight to dawn than from evening to midnight.
- 我要回答: 网友(216.73.216.145)
- 热门题目: 1.地球的冥古宙是指地球生成后最 2.太阳系九大行星中哪一颗没有大 3.哈雷彗星的运转周期是多少？