ObiWanKenobi
  • Member for 6 years, 3 months
  • Last seen more than 1 year ago
Does the Sun rotate?
7 votes

Yes, Sun has differential rotation. Movement of Sun spots is one of the proofs that Sun rotates. The differential rotation causes the weird twisted magnetic fields which shows in the Sun's prominence.

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How astronomers distinguishes between natural and artificial signals coming from outer space?
1 votes

Considering the vastness of space, an alien(artificial) signal will have to be pointed in our direction and when it reaches us the strength will be very very small. Natural signals are more pronounced ...

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Can a probe orbit Pluto given Charon's gravity?
1 votes

Yes it is possible if you have the probe orbiting the Pluto-Charon system at one their Lagrange points.

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What would happen if a rogue planet hit one of the planets in our Solar System?
1 votes

There are lot of ifs, buts, sizes, etc to answer: - Any sizable objects entering our solar system will disturb our orbital 'equilibrium'. - First the empty space between the planets is huge, So very ...

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Why nuclear fusion is a controlled process in stars?
0 votes

Adding to Rob explanation. Once that equilibrium stops the bang happens known as Supernova and for smaller stars(our Sun) they will swell in to Red Giants.

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Mountains are higher than the atmosphere?
-1 votes

I think the planet's size and it's geological activity will dictate the mountains height. Mars is smaller than Earth and no active core, So has high probability to have mountain like Olympus Mons.

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