Imagine that the Earth is orbiting a white dwarf star, whose surface temperature is 20000 K. How large would this white dwarf have to be to produce the same luminosity as our Sun?  (Express your answer in solar radii and in kilometers)

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A: The solubility of a gas is its ability to dissolve in another liquid. The solubility of CO2 in water...

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A: Atmospheric stability occurs when the air is stable, and it resists rising, and atmospheric instabil...

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A:   The orientation of geographic features on the map is inferred by the arrow present in the map.  

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A:   Physical weathering involves the breakdown or disintegration of rocks and soils through direct con...

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A:   Based on the color elevation interpretation from the question and also Google earth image of the s...

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Q: Question 4. Is the one I need answered on this one

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Q: (This exercise is from Physical Geology by Steven Earle and is used under a CC BY 4.0 license.) The ...

A:   Based on the color elevation data from the question and also Google earth image of the same area m...

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Q: 1. What process in the environment can you infer from their characteristics? ( referring to the igne...

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Q: The question I would like assistance with is posted below:

A: Calculate the radius of the earth: R = Diameter2 = 7927 mi2 = 3963.5 miles  

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Q: Which direction were the glacial lobes moving during the last ice age?

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