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Dec
6
comment Could any known, living organisms on Earth survive on Mars?
@RemcoGerlich: You are right! That is an interesting usage of the word "conquering" and you might want to ask the OP for clarification. By all measures, I do believe that I've already conquered Mars and I don't see anybody sending flags to challenge my assertion!
Dec
6
comment Could any known, living organisms on Earth survive on Mars?
@RemcoGerlich: The question was about surviving on Mars, not about first colonists. For any colony, one would need to transplant an ecosystem and not "just a few organisms and the things that they eat", that question is far, far outside the scope of this question.
Oct
26
awarded  Civic Duty
Oct
9
awarded  Yearling
Aug
20
awarded  Autobiographer
Aug
3
comment Could spy satellites use laser guide stars (for adaptive optics)?
I suggest leaving the question open. Not because it is a great question per se, but rather because it addresses some incorrect notions about the technologies used in astronomy: telescopes, satellites, and guide star lasers. Also, the answer addresses these misconceptions in a way that is relevant both to the question and also in general for those who may not understand how, and why, the guide star laser is used. That is very relevant to this site.
Aug
2
answered Could spy satellites use laser guide stars (for adaptive optics)?
Jun
8
revised Calculating area of visible sky
Oops, math!
Jan
31
awarded  Nice Question
Jan
11
revised How did scientists determine an estimate of the number of planets greater than Sedna's size to exist in the Inner Oort Cloud?
Add reference.
Jan
11
comment How did scientists determine an estimate of the number of planets greater than Sedna's size to exist in the Inner Oort Cloud?
I hope you don't mind that I've edited in a reference. I had no idea who Mike Brown is and it is hard to Google for as there is a current news item about an unrelated man with the same name.
Jan
11
suggested approved edit on How did scientists determine an estimate of the number of planets greater than Sedna's size to exist in the Inner Oort Cloud?
Jan
4
comment How is the diameter of a gas giant calculated?
Related: Why is Jupiter so sharply defined?.
Jan
4
answered Calculating area of visible sky
Dec
31
answered How to see Saturn's rings through a pair of binoculars?
Dec
28
revised What to look for in a tripod for binoculars?
added 130 characters in body
Dec
24
revised What to look for in a tripod for binoculars?
Add link
Dec
24
revised What should I look for in an astronomy tripod?
added 91 characters in body
Dec
24
revised What to look for in a tripod for binoculars?
added 91 characters in body
Dec
22
answered What to look for in a tripod for binoculars?