我们知道一日的长短受地球自转速度影响，如果去到一个自转够慢的星球，一日有机会有一年那么长吗？原来这个星球既远在天边、又近在眼前，就是和地球相邻，太 ...

HARBIN, Nov. 5 (Xinhua) -- On Tuesday morning, a microsatellite, the first of its type jointly developed by Chinese and Russian universities, was successfully launched from the city of Blagoveshchensk ...