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Apr
23
awarded  Yearling
Jan
15
awarded  Student
Oct
9
reviewed Reviewed Do black holes have energy?
Oct
9
comment Do black holes have energy?
I think you should at least try to read Wikipedia or something of the like to grasp the basic ideas. You have many errors in your question. Correcting them would take long. You could also go through other questions here in astronomy.stackexchange.com about black holes. Here is the link astronomy.stackexchange.com/questions/tagged/black-hole.
Oct
4
reviewed Satisfactory Is there a paper on galaxy mergers in clusters of galaxies?
Oct
4
reviewed Satisfactory Original Hubble diagram units incorrect?
Oct
4
reviewed Satisfactory Which spiral arm of the Milky Way is Kepler-62 in?
Oct
4
reviewed Excellent Time after sunset until star can be seen
Oct
4
reviewed Satisfactory Why aren't there galaxy-sized balls of iron out there?
Oct
4
reviewed Excellent Weight of a celestial body
Oct
4
awarded  Custodian
Oct
4
reviewed Needs Improvement Data for red-shifting
Oct
4
reviewed Satisfactory How many light years away is Earth from the closest outer edge of the black hole at the center of the Milky Way?
Oct
4
reviewed Excellent Name of area close to Local Bubble?
Oct
4
reviewed Needs Improvement What is CMB radiation doing to the universe?
Oct
3
reviewed Reviewed What is it like at the edge of the universe?
Sep
1
comment Why aren't the farthest objects close to each other?
If the light you get is 13 billion years old, then most likely that object (if not already dead) would be much further away by now.
Aug
28
comment Are there stars that don't emit visible light?
I think you could start by outlining your definition of a star, to help the answers.
Aug
7
awarded  Revival
Aug
5
revised Determining planetary positions on the celestial sphere by Right Ascension and Declination
Added point for clarification