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Sten's user avatar
Sten's user avatar
Sten
  • Member for 1 year, 8 months
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43 votes

What is the shape of orbit assuming gravity does not depend on distance?

28 votes
Accepted

How would "dark matter", subject only to gravity, behave?

21 votes
Accepted

What equation tells you how far in space you can go from a point and return?

20 votes

How far apart has the sun drifted from Alpha Centari due to the expansion of the universe since its formation?

19 votes
Accepted

Is there a limit to the Schwarzschild radius?

17 votes

How do we work out the light travel time on a cosmic scale?

15 votes
Accepted

Why speed of light is considered to be the fastest?

15 votes

Why do cosmologists assume that inflation began shortly after the Big Bang, rather than at the exact start?

14 votes
Accepted

What is the force responsible for the output of whiteholes?

13 votes
Accepted

How do we know the expansion of the universe is not centered around our position?

12 votes
Accepted

How do I estimate the difference in the speed of time flow between Earth and a distant star?

11 votes

Will Earth become a gas giant when the Sun expands in 5 billion years?

10 votes

How long has it been since dark energy started to reverse our slowdown and accelerate the expansion of the universe? 4 billion years ago? 4.5? 5?

10 votes

Under which conditions could a planet's massive moon's orbit get closer to the planet?

9 votes

Hubble expansion rate and reaction rates

8 votes

Could we (Earth, Humanity, Solar System) be falling into a black hole?

8 votes

Does space expand?

8 votes
Accepted

Does the expansion of space stretch the space-time fabric?

7 votes
Accepted

Conditions in the Early Universe

7 votes
Accepted

Is this definition of tidal locking really satisfying?

7 votes

If a supernova explodes close to the centre of the milky way does its light get blueshifted by dark matter by the time it reaches the Earth?

7 votes

Why can't dark energy be considered a 5th fundamental force?

6 votes

Does the lower value of the Hubble Constant predicted by the Planck Satellite and now confirmed by Wendy Freedman invalidate the idea of dark energy?

6 votes
Accepted

Will the Sun fall into a black hole? If so, when and which one?

6 votes

How do we know we're not getting bigger?

5 votes
Accepted

Farthest distance two objects are "gravitationally bounded", considering expansion of the Universe

5 votes
Accepted

How to calculate distance between stars?

5 votes
Accepted

How to turn find velocity dispersion from radial velocity

5 votes

Is it possible to detect gravitational lensing of both light and gravitational waves originating from the same event?

4 votes
Accepted

How would the symmetry of time dilation behave if a wormhole sent you near the rest observer?