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5 votes
1 answer
1k views

How bright will Alpha Centauri A be from Earth when it becomes a red giant?

10 votes
1 answer
1k views

What is the bright orange star?

2 votes
1 answer
80 views

How do I identify a star in general?

4 votes
1 answer
2k views

What is this yellow star?

5 votes
1 answer
390 views

What are the blue "stars"?

2 votes
0 answers
127 views

What was this "light" that looked like a star moving in line ,disappearing only to reappear where it started?

1 vote
0 answers
58 views

Satellites or UFOs?

4 votes
1 answer
205 views

How do I get temperature and diameter from a light curve?

9 votes
2 answers
556 views

How small a star can provide Sun-level illumination to its planets?

2 votes
0 answers
20 views

M Dwarf radiation and habitability at the terminator of a tidally-locked planet?

2 votes
0 answers
23 views

Pulsations in massive stars

0 votes
1 answer
42 views

Classifying stars using GEDR3

7 votes
1 answer
5k views

I saw a short-lived brightening and fading of a light in the sky. Was that a star imploding, exploding or going super-nova?

8 votes
1 answer
79 views

Do pop III stars undergo supernova or direct collapse?

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