Why is light from the moon cold? For example full moon light shining on a surface or material will cause it to be colder than a surface or object nearby that is shaded from the moonlight. What causes this phenomenon?
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I have an hydrogenic atom, knowing that its ground-state wavefunction has the standard form $$ \psi = A e^{-\beta r} $$ with $A = \frac{\bet...
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I want to know what happens to the space a black hole crosses over as our galaxy travels through space.
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