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 Custodian
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~2k people reached

Apr
4
reviewed Excellent How can we tell that a short-period binary is tidally locked?
Apr
4
reviewed Excellent How can a galaxy in-between our view and the galaxy behind it have a 'lensing effect'?
Apr
4
reviewed Excellent Could a close passing star be captured by the Sun's gravity?
Apr
4
reviewed Excellent Can planets inside the Earth's orbit around the Sun appear to undergo retrograde motion?
Apr
4
reviewed Satisfactory Does the cosmic microwave background recede at the speed of light?
Apr
4
reviewed Needs Improvement What uncertainty does an error bar signify in astronomy?
Apr
4
reviewed Excellent How much mass does an object in space need to keep a human on its surface?
Apr
4
awarded  Custodian
Apr
4
reviewed Satisfactory Would a killer asteroid shattered into thousands of pieces produce the same devastation?
Mar
30
answered Where is Mars in the night sky
Jan
20
awarded  Supporter
Nov
12
answered How can I calculate moon phase and height?
Nov
5
answered Do we know the exact spot where big bang took place?
Nov
5
awarded  Teacher
Nov
5
awarded  Editor
Nov
5
revised How can I safely observe a Solar Flare?
the edge features are not flares, but prominences. They are also associated with Coronal Mass Ejections though.
Nov
5
suggested approved edit on How can I safely observe a Solar Flare?
Nov
5
answered How can I safely observe a Solar Flare?
Sep
28
awarded  Precognitive