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... hite dwarf is a very special celestial body. It is small in size and low in brightness, but it is of high quality and extremely high density. For example, Sirius companion star (it was the first white dwarf to be discovered), the volume is not much larger than the earth, but the quality is similar to the sun! In other words, its density is around 10 million tons / cubic meter.
According to the radius and mass of the white dwarf, it can be calculated that its surface gravity is equal to 10 ...
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