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34 votes
1 answer
2k views

Why is there a gap in this image of supernova discoveries?

1 vote
0 answers
67 views

Declinations from stars apparent motion w/o plate solving

3 votes
1 answer
58 views

Most established length of Gleissberg Cycle

1 vote
0 answers
38 views

Tiling the sky with astropy-healpix

4 votes
0 answers
121 views

Basics of Tracklet-less Heliocentric Orbit Recovery (THOR) - simple breakdown of how it works?

5 votes
1 answer
394 views

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

7 votes
1 answer
270 views

Do high power radar astronomers try to avoid beaming power at (at least some) artificial satellites as they pass overhead?

0 votes
0 answers
58 views

Looking straight through the Milky Way Galaxy with the Gedanken Space Telescope from radio to 100 keV, what would the opacity vs wavelength look like?

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0 answers
62 views

How can I convert luminosity from [erg/s/Hz] to [erg/s]

2 votes
0 answers
88 views

What would the Big Crunch theoretically look/feel like?

2 votes
0 answers
53 views

How did Herschel determine the diameter of Mars?

2 votes
2 answers
114 views

What exactly was "The curse of Sisyphus" and why did it take so long to find out about the radar detection of its companion?

5 votes
1 answer
198 views

Relative inclination with respect to line of sight

1 vote
0 answers
38 views

Which of the blocked radiation windows will (mostly) open if one where to observe from the surface of Mars, instead of the Earth?

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