Episode #125 of the Stack Overflow podcast is here. We talk Tilde Club and mechanical keyboards. Listen now

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Let us begin with the basics. If an exterior perturber generates the potential W, then an originally spherical planet gets distorted. Owing to this distortion, its potential acquires an increment U which is usually called the additional tidal potential or, simply, the tidal potential. Now let us fix a point on the surface of the planet. Let $\gamma$ be the ...

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Answering your first question: If I understand it correctly then the black hole is created by collapse of a super massive star at the end of its life. This star will have a finite mass. Then what leads to the black hole to have such massive gravity so that nothing can escape it (because if it was a star before with a finite mass then it would also ...

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A blog called Science Olympiad Blog claims to have the problem sheets for 2011-2014.

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