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Astrophysics and Cosmology

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noahtattersall's version from 2015-04-19 18:26

Section

Question Answer
Gravitational field strengthForce per unit mass
Astronomical unit (AU)The mean distance between the earth and the sun
Light year (ly)The distance that electromagnetic waves traveling one year
LuminosityThe total energy emitted per second
Black bodyAbsorbs all wavelengths of electromagnetic radiation and can emit all wavelengths of electromagnetic radiation
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