A black hole is the circular dark space that sits at the ...
It's a cycle from the Mayan calendar. A b'ak'tun is 20 ...
A constellation. It is named after Hercules, the Roman ...
The three dimensional view of the sun. The first 3D images ...
A prominent constellation in the northern sky that consists ...
A "dark spot" located in the boundary between the northern ...
0
用語
グロッサリ
4
フォロワー
42
11
95
10
64
6
16
25
40
5 用語
