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Gendergaga
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214 Answers

Votes Activity Newest
4
What is the force required to move a raindrop?
Jan 29 '15 at 15:20
3
How does $g$-force relate to time dilation?
Jun 4 '20 at 22:16
3
Can I get turned around backwards in time?
Apr 28 '20 at 21:12
3
Could a powerful gravitational wave tear apart an object?
Feb 2 '20 at 23:51
3
Are there GW spheres like photon spheres around a black hole?
Feb 1 '20 at 2:20
3
At what cosmological redshift $z$, does the recession speed equal the speed of light? How is it calculated?
Dec 10 '19 at 1:19
3
What is the probability of a photon being emitted by the sun actually being absorbed by matter in the visible universe?
Oct 8 '19 at 0:07
3
Blinking flashlight infalling into the black hole, as frequency → ∞
Aug 30 '19 at 9:24
3
What is the exact relation between the age of the universe and the cosmological constant?
Aug 6 '17 at 0:03
3
Clarification of negative kinetic energy
Apr 28 '17 at 14:54
3
What is the limit of the universe?
Dec 1 '16 at 13:07
3
Earth Gravity vs Mars Gravity
Nov 27 '16 at 7:55
3
Why is a spacetime with negative curvature assumed to have a hyperbolic, rather than spherical, geometry?
Oct 4 '16 at 20:34
3
Can an electron stay still?
Sep 24 '16 at 18:57
3
Can rails on the ground or blimps in the air be positioned to collect lightning?
Sep 24 '16 at 2:13
3
What is the physical meaning of the Schwarzschild radius for objects that aren't black holes?
Aug 26 '16 at 20:04
3
What is the position as a function of time for a mass falling down a cycloid curve?
Mar 16 '16 at 4:45
3
Is the cosmological horizon expanding faster than space itself?
Mar 4 '16 at 7:43
3
About the working of LIGO
Feb 20 '16 at 5:02
3
Twins paradox question
Feb 9 '16 at 22:27
3
Length contraction alongside acceleration
Mar 3 '15 at 0:24
3
Distribution of dark matter in galactic halos
Feb 27 '15 at 5:34
3
Can a thrown egg chip (or break) a car windshield?
Feb 24 '15 at 1:28
3
How much dark matter is needed to gravitationally distort light?
Feb 15 '15 at 3:24
2
What would be the view like from inside a black hole looking towards the event horizon?
Jun 1 '20 at 22:03
2
Do gravitational waves cause time dilation or not?
May 21 '20 at 0:51
2
Disintegrating as you enter a large black hole, instead of experiencing what's inside?
May 29 '20 at 14:41
2
Gravitational Redshift in Kerr Spacetime
May 29 '20 at 3:14
2
Black hole cosmology vs. Big Bang cosmology
May 20 '20 at 4:32
2
What does $w=-1$ mean for the equation of state of the cosmological constant?
May 10 '20 at 12:06
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