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0 votes
0 answers
31 views

Red light that moves back and forth and then moves upwards

3 votes
1 answer
71 views

Skewing of data regarding velocities of stars

1 vote
1 answer
160 views

Effects of a supernova shockwave or gravitational wave to a nearby planet's orbit?

8 votes
1 answer
275 views

How does metallicity change the mass-radius and mass-luminosity relations in main-sequence stars?

4 votes
2 answers
428 views

What does this figure imply about the luminosity of pre-main-sequence stars?

4 votes
2 answers
1k views

Why don't small stars end up as a black holes?

2 votes
1 answer
203 views

Estimate the core pressure of a star

0 votes
1 answer
190 views

How is V1057 Cygni supposed to go from K type dwarf to F type giant?

3 votes
1 answer
101 views

Can a relatively small addition of matter to a small volume of a star turn it into a supernova?

9 votes
1 answer
456 views

Why is Epsilon Indi Ab 2° Celsius?

1 vote
0 answers
121 views

What would sunsets look like around different star types?

5 votes
3 answers
1k views

Is it possible for a star cluster to be composed of main sequence stars?

16 votes
2 answers
3k views

In the onion-like elemental layers of a large mature star the neon is closer to the surface than oxygen, even though it is more massive... Why?

5 votes
1 answer
126 views

Required temperature for a nova

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