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Top Questions

8 votes
4 answers
4k views

How is the Cosmic Microwave Background so big?

12 votes
6 answers
2k views

How to describe the Sun's location to an alien from our Galaxy?

7 votes
3 answers
4k views

During a total solar eclipse is it possible to see solar flares with the naked eye?

2 votes
4 answers
1k views

How do stars 1 billion times the volume of our sun form and can they become black holes?

2 votes
2 answers
1k views

Confusion over habitable zone

9 votes
1 answer
1k views

Could 99942 Apophis break up due to Earth's gravity during 2029 flyby?

4 votes
2 answers
683 views

Why are heavier hydrocarbons not present in lower part of Uranian atmosphere?

0 votes
1 answer
111 views

Is gravitational lensing, optical in nature or topological?

4 votes
2 answers
167 views

Formation of spacecraft instrumentation

0 votes
1 answer
151 views

How much data are with cosmologist from JWST about CMB?

2 votes
1 answer
102 views

Gravitational wave for Solo mass system

3 votes
1 answer
90 views

Can our solar system ever be farther than Rigel from the center of the galaxy?

3 votes
2 answers
67 views

How would we tell the difference between low mass objects that formed by direct collapse or in an accretion disk?

3 votes
0 answers
116 views

When did astronomers accept that fixed stars aren't fixed and are at different distances?

2 votes
1 answer
55 views

Calculating intensity of moonlight per unit area

-2 votes
1 answer
82 views

Could vacuum expansion arising from the Big Bang be a consequence of entanglement?

2 votes
0 answers
81 views

Orientation of the Dark Matter Halo in Andromeda Galaxy

-1 votes
0 answers
79 views

What university department should I enroll in if I want to join spacex and contribute to Mars terraforming?

0 votes
0 answers
58 views

calculating the position of the sun by using degrees and determining date and time

2 votes
0 answers
49 views

Is there an assessement of chemical element availability in other star systems?

-2 votes
0 answers
48 views

Why don't scientists believe Earth's surface water came up from the mantle?

0 votes
2 answers
47 views

Possibility for black holes having negative energy

0 votes
0 answers
46 views

Convert Strain (h) to Frequency

0 votes
0 answers
40 views

Dark energy contributing to, or modifying, mass estimates?

2 votes
0 answers
39 views

Calendar times of equinoxes

2 votes
0 answers
36 views

Distribution of Galaxy sizes (star count)

1 vote
0 answers
32 views

How to spot Andromeda in a 130mm telescope?

1 vote
0 answers
25 views

Dark energy affecting the ejection and infall of material in galaxies?

1 vote
0 answers
21 views

What effects you have to have in mind during LEO satellites observations?

1 vote
1 answer
20 views

Formula for "cosmic billiards"

1 vote
0 answers
16 views

Is the level of carbon monoxide on Mars at an expected equilibrium level?


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