Reputation
1,513
Top tag
Next privilege 2,000 Rep.
Access moderator tools
Badges
6 27
Newest
 Yearling
Impact
~11k people reached

Dec
18
asked What can we expect from the first accurate image of a black hole? (wich will be taken soon)
Dec
18
awarded  Custodian
Dec
18
reviewed Approve Was comet ISON in a Kepler orbit prior to disintegrating?
Dec
17
comment What is the difference between solar wind and solar radiation?
They are not the same thing. Stack Exchange dictates that questions should have some degree of research and I think that just by looking for both definitions in Wikipedia you would have a better idea and probably a more elaborate question. Solar Wind and Solar Radiation in this case.
Dec
17
awarded  Citizen Patrol
Dec
16
revised If the hammer and feather move at the same speed why do comet and the tail particles move at different speeds?
Improved link to video and title of said link
Dec
16
suggested approved edit on If the hammer and feather move at the same speed why do comet and the tail particles move at different speeds?
Dec
16
comment What are some night sky objects I could see with my Celestron UpClose 20x50 Porro Binocular?
Yes, a tripod is neccesary since even my own heart beats get in the way by moving the binocular.
Dec
16
accepted What are some night sky objects I could see with my Celestron UpClose 20x50 Porro Binocular?
Dec
13
suggested rejected edit on bortle-scale tag wiki excerpt
Dec
13
answered How do we calculate the escape velocity of galaxies?
Dec
13
revised What are some night sky objects I could see with my Celestron UpClose 20x50 Porro Binocular?
edited title
Dec
13
asked What are some night sky objects I could see with my Celestron UpClose 20x50 Porro Binocular?
Dec
12
awarded  Critic
Dec
12
answered Why are galaxies disk shaped?
Dec
12
comment Is there an orbit that could cause regular debris showers like in the movie Gravity?
Could you please provide a detailed explanation of both orbits you describe for people like me who haven't seen the movie?
Dec
12
answered Was comet ISON in a Kepler orbit prior to disintegrating?
Dec
11
revised Where did Mars water go?
added 67 characters in body
Dec
11
awarded  Editor
Dec
11
revised Is there any telescope on Earth that can see the lunar rovers on the moon?
added 850 characters in body