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Ken G

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53
If light has no mass, why is it affected by gravity?
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37
Can a magnetic field of an object be stronger than its gravity?
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21
Why does a full moon seem uniformly bright from earth, shouldn't it be dimmer at the "border"?
physics.stackexchange.com

20
Equation of continuity for stones
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15
How can a red giant grow so big?
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11
Is the moon "perfectly" tidally locked and, if not, how long would it take us to observe it's rotation?
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10
What evidence do we have that CMB is the result of the Big bang?
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10
Infalling observer could never cross Black Hole event horizon?
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9
Which celestial object in the solar system has the fastest tangential velocity at its surface?
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9
Does matter accumulate just outside the event horizon of a black hole?
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7
Why the more-luminous star has larger surface area when two stars have the same temperature?
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7
How much helium has been created since the Big Bang?
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6
Does Gauss law depend on the fact that electric force law is inverse square law?
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6
If an Ideal Current Source has infinite resistance, how is current flow possible?
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6
Why are main sequence stars more massive than the Sun less dense? e.g. Vega, Spica etc
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6
Is the Big Bang inflation caused by Dark Energy
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6
Hole through the earth
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6
Difference in creation of solar flares and CME?
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6
Does the Hubble constant depend on redshift?
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6
When a star reaches the red giant phase, why does it become more opaque?
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6
Why is the Warm-Hot Intergalactic Medium (WHIM) so hot, and what is "collisionless shock heating"?
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6
How fast will the sun grow when it becomes a red giant?
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6
Can the Dark Energy be Pauli pressure?
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6
What will be the temperature on Earth when Sun finishes its main sequence?
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5
Could the merger of two rotating black holes create another that breaks the rotational speed limit?
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5
Is it heat that causes vibrations on particles or is it the vibrations that causes the heat?
physics.stackexchange.com

5
Who found the existence of Dark Matter?
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5
Is the galaxy made of a nebula or the solar system?
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5
Can the Moon provide momentum to an object in Earth's orbit? Gravity Assisted Boost
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5
Can Two Stars of One Same Type Orbit Each Other?
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