字体:大 中 小
护眼
关灯
上一页
目录
下一页
Dark Grey Planet 01 (第7/8页)
ars, it would take 4,890,000 Earth years, It takes 5,705,000 Earth years to reach Kepler 452b, which is 1,400 light-years away, To reach Kepler 69c at 2700 light years, it will take 11002500 Earth years, 36,000 light-years from Earth, The Smith Cloud, 8,000 light-years from the Milky Way' s gactic disk, It is a huge extragactic high-speed hydrogen cloud in the steltion Aqui, The shape of the Smith Cloud is somewhat simir to that of a et, It is 9800 light
上一页
目录
下一页