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2 votes

1 answer

115 views

What causes the short term variation in the length of a march-equinox year

CommunityBot

1

modified Sep 13 at 6:05

3 votes

1 answer

75 views

Why doesn't Greenwich Sidereal Time match up with Greenwich Mean time on the equinoxes?

Chappo Hasn't Forgotten

1,445

modified Sep 12 at 1:09

1 vote

1 answer

298 views

What are the estimated dates for destruction of planets by the Sun in the distant future?

ProfRob

158k

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6 votes

1 answer

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In theory, could an object like 'Oumuamua have been captured by a three-body interaction with the sun and planets?

PM 2Ring

16.1k

modified Sep 7 at 2:40

0 votes

0 answers

68 views

Did a visiting star reshape the outer solar system?

CommunityBot

1

asked Sep 6 at 15:11

3 votes

1 answer

91 views

Grand Tack Hypothesis and Nice model

viiv

45

modified Sep 4 at 9:33

3 votes

0 answers

166 views

What is going on with C/2023 A3 Tsuchinshan-ATLAS!

HDE 226868♦

37.3k

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2 votes

1 answer

567 views

What makes the spring equinox happen on october instead of fall on the north hemisphere?

Chappo Hasn't Forgotten

1,445

answered Sep 2 at 23:55

10 votes

3 answers

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Anders Sandberg

15.2k

answered Aug 28 at 9:58

0 votes

1 answer

110 views

What meteor shower's radiant appears furthest west after sunset, and why?

Greg Miller

6,092

answered Aug 27 at 20:04

7 votes

1 answer

240 views

Why does the axis tilt (obliquity) of Earth change over time?

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1

modified Aug 25 at 3:06

4 votes

1 answer

585 views

Sun rise on Venus from East or West (North as North Ecliptic Pole)

Glorfindel

4,800

modified Aug 24 at 17:07

5 votes

2 answers

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How the "precession of the ecliptic" can be distinguished from the "precession of the equator"?

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21

answered Aug 21 at 9:24

5 votes

4 answers

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Why is right ascension measured on a 24 hour scale rather than a 23 hours and 56 minutes scale?

Garvit

19

answered Aug 16 at 7:46

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What causes the short term variation in the length of a march-equinox year

Why doesn't Greenwich Sidereal Time match up with Greenwich Mean time on the equinoxes?

What are the estimated dates for destruction of planets by the Sun in the distant future?

In theory, could an object like 'Oumuamua have been captured by a three-body interaction with the sun and planets?

Did a visiting star reshape the outer solar system?

Grand Tack Hypothesis and Nice model

What is going on with C/2023 A3 Tsuchinshan-ATLAS!

What makes the spring equinox happen on october instead of fall on the north hemisphere?

What is the probability of life having developed or going to develop in our solar system another time?

What meteor shower's radiant appears furthest west after sunset, and why?

Why does the axis tilt (obliquity) of Earth change over time?

Sun rise on Venus from East or West (North as North Ecliptic Pole)

How the "precession of the ecliptic" can be distinguished from the "precession of the equator"?

Why is right ascension measured on a 24 hour scale rather than a 23 hours and 56 minutes scale?

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