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10 votes
1 answer
922 views

Are any Population III stars red dwarfs?

5 votes
3 answers
683 views

Is there such a thing as a black dwarf

0 votes
0 answers
20 views

Star forming regions

4 votes
1 answer
292 views

Will Lunar Months be the same length Millions of Years in the Future?

1 vote
1 answer
71 views

What is the relationship between core temperature and surface temperature in main-sequence stars?

1 vote
0 answers
126 views

Inconsistency between Velocity vs Redshift and Scale Factor vs Time plots

4 votes
2 answers
2k views

Can a star be made of sun spots?

7 votes
4 answers
5k views

Are the North Star and the moon ever visible in the night sky at the same time?

0 votes
0 answers
90 views

The Julian Day Bug

4 votes
1 answer
292 views

How will a planet on asteroid belt see Jupiter?

2 votes
1 answer
41 views

Why would some sources in a cross-matched DESI/SDSS catalog have different spectroscopic redshifts?

1 vote
3 answers
2k views

Velocity of most distant galaxies

1 vote
1 answer
70 views

Request for Information on how to make a FITS Image

0 votes
0 answers
54 views

How soon after the accretion did Mars experience the magma-ocean stage?

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