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Active 2 Bountied Hot Week Month
3 votes
0 answers
245 views
+100

How long before we get confirmation about the Planet Nine candidate found by the nipo-taiwanese-australian team?

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ksousa
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1 vote
0 answers
12 views

Could the Universe itself be spinning?

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Andrew McCarthy
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6 votes
3 answers
766 views

Does the lowest altitude of a star depend on the latitude?

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Albert
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-2 votes
1 answer
96 views

How would 2 moons affect the tides of an Earthlike planet?

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Oscar Lanzi
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3 votes
0 answers
47 views

Does our sun experience Earthlike auroras?

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JBH
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0 votes
0 answers
36 views

Difference in the output of Astropy and Skyfield

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Bohm Arahnmob
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8 votes
5 answers
6k views

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

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Albert
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0 votes
0 answers
70 views

Calculate max north polar distance from the view point of inside the water

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Jim
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1 vote
1 answer
79 views

Conformal time derivatives in early universe

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Sten
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3 votes
1 answer
141 views
+100

Is there a list of the most common elements in the observable universe beyond sulfur?

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uhoh
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5 votes
6 answers
8k views

Logically, how can the universe be infinite in size?

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Mick
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4 votes
3 answers
1k views

What was the GPS time at J2000 epoch?

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Liuz
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14 votes
4 answers
3k views

What color is a neutron star?

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Schrödinox Heisenberg
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2 votes
1 answer
559 views

Future redshifting and effect on the 'pitch' of CMB radiation

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pela
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