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Jan
23
revised Why hasn't the “9th Planet” been detected already?
Copy edited (e.g. ref. <https://en.wikipedia.org/wiki/Trans-Neptunian_object>). Added some context.
Jan
23
revised 9th planet location?
Copy edited. (its = possessive, it's = "it is" or "it has". See for example <http://www.wikihow.com/Use-Its-and-It%27s>.)
Jan
23
revised How would parallax affect an object at 200-1000 AU (for example, the 9th planet)?
Copy edited. Interpreted "i.e." as meaning "e.g.". (its = possessive, it's = "it is" or "it has". See for example <http://www.wikihow.com/Use-Its-and-It%27s>.)
Jan
23
suggested approved edit on How would parallax affect an object at 200-1000 AU (for example, the 9th planet)?
Jan
23
suggested approved edit on 9th planet location?
Jan
23
suggested approved edit on Why hasn't the “9th Planet” been detected already?
Sep
8
revised Venus presents same face toward Earth at closest approach. What do you make of that?
Copy edited.
Sep
8
suggested approved edit on Venus presents same face toward Earth at closest approach. What do you make of that?
Jul
26
comment Do all orbiting bodies eventually collide?
What assumption is made about the radiuses of the two bodies? This could be important in a close binary star system.
Apr
21
revised Circular formation around the moon
Copy edited (but more work may be needed in the sentence starting with "Most of the sky").
Apr
21
suggested approved edit on Circular formation around the moon
Jan
18
comment What is supposedly in the center of the Milky Way?
@HDE 226868: Perhaps due to uncertainty in the measurements - difficulty of extrapolation?
Jan
18
comment What is supposedly in the center of the Milky Way?
Why isn't the supermassive black hole on the major axis (and on one of the two foci) of all those ellipses?
Dec
20
revised Does the Earth have another moon?
Copy edited (e.g. space between quantity and unit - see e.g. <http://english.stackexchange.com/questions/15953>). Added some context.
Dec
20
suggested approved edit on Does the Earth have another moon?
Jul
21
revised The RA and Dec of lunar poles
Copy edited.
Jul
20
suggested approved edit on The RA and Dec of lunar poles
Apr
21
revised Why are distant galaxies not visible in the observable Universe?
Copy edited (but some interpretation near "so small").
Apr
21
revised Are satellites orbiting around earth visible to the naked eye?
Copy edited.
Apr
21
suggested approved edit on Why are distant galaxies not visible in the observable Universe?