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user2800708
  • Member for 8 years, 11 months
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35 votes
5 answers
8k views

How am I able to stand up and walk down the aisle of a flying passenger jet?

19 votes
5 answers
3k views

How is hydrostatic pressure overcome when a star is formed?

5 votes
3 answers
956 views

What experiments have been done that confirm $E=mc^2$?

3 votes
0 answers
58 views

Where does this data comparing the CMB with Eddington's 'temperature of space' come from?

3 votes
1 answer
795 views

Has Michelson-Morley been repeated using modern equipment?

3 votes
1 answer
478 views

What are strange metals?

2 votes
1 answer
135 views

What conditions are necessary for Birkeland currents to form?

2 votes
2 answers
2k views

Where does the angular momentum of the solar system come from? [duplicate]

1 vote
3 answers
498 views

How do we know gravity attracts in all directions at once?

1 vote
1 answer
270 views

What percentage of the energy in a dust cloud must be lost before it can collapse into a star?

1 vote
2 answers
234 views

Does special theory of relativity limit velocity to speed of light, but general theory not?

1 vote
1 answer
165 views

If I spin around why do the stars not dissappear?

1 vote
2 answers
3k views

Does increasing pressure, increase gravity?

1 vote
1 answer
1k views

Is the Shapiro effect the same thing as gravitational deceleration of light?

0 votes
2 answers
2k views

How are neutrons made?

0 votes
0 answers
42 views

Does the general theory of relativity imply time dilation across the whole universe? [duplicate]

0 votes
2 answers
856 views

In a nuclear reaction, where does the energy go?