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Oct
21
awarded  Notable Question
Oct
9
awarded  Yearling
Oct
1
comment Is the Jupiter-Sun system considered a binary system of some type?
@userLTK Thanks for this mathematical precision. And thanks for pointing that all these things evolve...
May
19
revised “Up” and “down” in Space
Typos and formatting
May
19
suggested approved edit on “Up” and “down” in Space
May
19
answered “Up” and “down” in Space
Feb
25
awarded  Popular Question
Oct
9
awarded  Yearling
Jul
2
awarded  Curious
May
15
revised Determine north just by one shadow
Correcting typos and formatting.
May
15
suggested approved edit on Determine north just by one shadow
May
14
revised Does Earth revolves around Milky Way?
Correcting typos
May
14
suggested approved edit on Does Earth revolves around Milky Way?
May
14
revised Does Earth revolves around Milky Way?
Correcting typos
May
14
suggested approved edit on Does Earth revolves around Milky Way?
May
13
revised Can Mercury hit Earth or Mars in the next 5 billion years?
structured list
May
13
suggested approved edit on Can Mercury hit Earth or Mars in the next 5 billion years?
May
13
answered Could there be life beneath the surface of Mars or moons?
May
13
answered Is the moon only 60 pixels?
Jan
7
accepted Why don't we see the galaxy center?