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0 answers
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The constellation you see when looking at Chicago from the space

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Time taken calculation to reach synodic degrees between planets

12 votes
2 answers
260 views
+50

What's the smallest scale at which dark matter has been measured?

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1 answer
28 views

Recognize the celestial object in UMa

1 vote
1 answer
31 views

What can we learn from the rotation data of a star?

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16 views

Can this ppxf fit work?

1 vote
1 answer
83 views

following several unknown phenomena detected at the edge of the solar system, is there a 5th force which acts at the edge of the solar system?

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0 answers
14 views

Kinematical galaxy spectral analysis using ppxf?

3 votes
1 answer
92 views

Does "Angular Diameter Turnaround Point" solve the Great Wall Problem?

2 votes
1 answer
33 views

Does humidity affect image formation point while observing through a telescope?

2 votes
1 answer
57 views

Method to get data from NED IPAC and NVSS, without manually giving RA/dec input

1 vote
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45 views

civil twilight & sunset

4 votes
1 answer
72 views

Can we measure planetary Love number of exoplanets?

2 votes
1 answer
41 views

How do I phase fold the light curve for a variable star?

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