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Thomas's user avatar
Thomas's user avatar
Thomas
  • Member for 3 years, 6 months
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1 vote

Will a circular orbit cause doppler shift?

8 votes

Where in a star are the spectral absorption lines formed?

1 vote

What's the issue with Olbers' paradox?

4 votes

How to confirm that I am in the center of the path of totality for the Solar Eclipse of April 08 2024 using GPS or Android/Iphone App?

0 votes

Could a red dwarf be "deionized"?

0 votes

Is it coincidence that the earth's rotation and revolution are in the same direction?

2 votes

What makes space space?

0 votes

Would the Earth still precess if it were an ideal sphere?

2 votes

Molecule formation when an atomic gas cools down

1 vote

How to get the flux from a synthetic spectrum in a bandpass, when only given specific luminosity times frequency?

3 votes

If an orbit is shifting due to orbital precession, is it still a Keplerian orbit?

1 vote

Keplers laws and this question

4 votes

Concerning a binary system of stars/planets/black holes could one of them be ejected before eventually merging or colliding?

-1 votes

Will all satellites get inevitably tidally locked to their planet?

0 votes

What is the shape of orbit assuming gravity does not depend on distance?

1 vote

Does the Sun's atmosphere have a scale height?

2 votes
Accepted

Help converting Jansky/beam to erg s^-1

1 vote

Can the collapse of a gas cloud lead to an elliptical structure?

2 votes

How to convert Flux Density to Flux?

9 votes

Why doesn't the IAU definition of "Planet" disqualify Mercury and Venus as planets?

0 votes

Is there more dark matter than we previously thought?

15 votes

Why does the CMB conform to black-body formula for 2.71 degrees, when it's the stretched emission at a far hotter temp?

4 votes

Is there a logical reason why we see no back and forth aberration effects when observing binary stars?

0 votes

What is the likelyhood that planet X is a glass (not a typo for gas) planet? What would it mean if it were for what we know of astronomy?

1 vote

Stellar aberration without relative motion between source and observer

0 votes

How to find the resolution of a spectrum?

-1 votes

Stars as nozzles; how important is thermodynamics and the de Laval nozzle equation for understanding the speed of the solar wind vs distance?

7 votes

What determines the speed of a star's solar wind?

-2 votes

Do protostars take longer to achieve H fusion due to gravitational sinking of heavy elements?

2 votes

How much of the earth would remain intact if the sun expanded into a red giant encompassing its orbit?