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Get Mean Orbital Elements of Jovian Moons

33 votes
1 answer
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Are binary neutron star mergers needed to explain the abundance of gold?

11 votes
1 answer
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Delta T Changing on Determining Leap Gregorian Year

9 votes
2 answers
2k views

How much will Voyager 1’s trajectory diverge from a straight-line extrapolation over 100–1000 years?

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267 views

What are the pros and cons of different types of echelle spectrograph cross-dispersers?

3 votes
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394 views

Human Eye Limit Width Visibility using Resolution Angle?

-2 votes
1 answer
171 views

Why is C/2026 A1 (MAPS) so bright?

-1 votes
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157 views

What is the intuitive explanation of the trajectory of an object in the solar system that is moving at a velocity less than the solar escape velocity?

10 votes
2 answers
267 views

What effect do aircraft have on night-time visibility?

22 votes
3 answers
5k views

How has the Earth's orbit changed over hundreds of millions or billion of years?

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33 views

Alternate names for SMACS J0028.2-7537

1 vote
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248 views

PSF Matching Images from different filters

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3 answers
191 views

Trying to use SQL to query SDSS

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