Ken G's user avatar
Ken G's user avatar
Ken G's user avatar
Ken G
  • Member for 6 years, 2 months
  • Last seen more than 2 years ago
53 votes
Accepted

If light has no mass, why is it affected by gravity?

37 votes

Can a magnetic field of an object be stronger than its gravity?

13 votes
Accepted

How can a red giant grow so big?

11 votes
Accepted

Is the moon "perfectly" tidally locked and, if not, how long would it take us to observe it's rotation?

10 votes

Infalling observer could never cross Black Hole event horizon?

8 votes

Does matter accumulate just outside the event horizon of a black hole?

8 votes
Accepted

Which celestial object in the solar system has the fastest tangential velocity at its surface?

7 votes
Accepted

Why the more-luminous star has larger surface area when two stars have the same temperature?

7 votes
Accepted

How much helium has been created since the Big Bang?

6 votes
Accepted

What will be the temperature on Earth when Sun finishes its main sequence?

6 votes

Can the Dark Energy be Pauli pressure?

6 votes

How fast will the sun grow when it becomes a red giant?

6 votes

When a star reaches the red giant phase, why does it become more opaque?

6 votes

Why is the Warm-Hot Intergalactic Medium (WHIM) so hot, and what is "collisionless shock heating"?

6 votes
Accepted

Difference in creation of solar flares and CME?

6 votes

Does the Hubble constant depend on redshift?

5 votes

Our Sun already a White dwarf?

5 votes

Is the Big Bang inflation caused by Dark Energy

5 votes
Accepted

Why are main sequence stars more massive than the Sun less dense? e.g. Vega, Spica etc

5 votes

Could the merger of two rotating black holes create another that breaks the rotational speed limit?

5 votes

Hole through the earth

5 votes

Will stars live longer if they consume more hydrogen?

5 votes
Accepted

what determines the density of atmospheres

4 votes

does the orientation of orbital plane of our solar system rotate with the galaxy

4 votes
Accepted

Helium discovered on an exo planet

4 votes
Accepted

Properties of low-mass stellar remnants vs the Earth

4 votes

Has stellar evolution ever been modeled analytically?

4 votes

Why doesn't it hurt to look at stars?

4 votes

What was Bradley's observation concerning abevation of light?

4 votes

Is the galaxy made of a nebula or the solar system?

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