Apparently, this user prefers to keep an air of mystery about them.
2 Why are planets spherical? jan 10 '14
1 How astronomers distinguishes between natural and artificial signals coming from outer space? oct 21
1 Basic celestial data jul 22 '14
0 How to calculate position of an unknown star knowing positions of some other stars from an image? may 29
0 Weight of a celestial body oct 7 '14