Suppose the Earth is really flat. Shaped like a penny, it has one side that faces...

Suppose the Earth is really flat. Shaped like a penny, it has one side that faces the Sun at all times. Suppose this Earth is the same temperature everywhere (including the side that faces away from the Sun). Neglect any radiation losses off the rim of the Earth and assume there is no albedo or greenhouse effect. Treating it as a perfect blackbody, estimate the temperature of this new, flat Earth.

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Two flat plates of glass with parallel faces are on a table, one plate on the...

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Is the following situation possible? A space station shaped like a giant wheel has a radius...

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Suppose the mantle of the Earth is 70% olivine, and that olivine on average has a...

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A space station shaped like a giant wheel has a radius of 1.00 x 102 m...

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