Black holes can’t be created by light
16
votes
-
-
What color is the sun?
15 votes -
What color is the sun?
5 votes -
NASA wants the public to help track light pollution from VLEO satellites
7 votes -
SpaceX tests black satellite to reduce ‘megaconstellation’ threat to astronomy
15 votes -
Why astronomers are worried that SpaceX’s satellite network will pollute the night sky
10 votes -
Astrophotography from Tokyo, one of the most light-polluted cities on Earth
11 votes