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I'm curious to know: If the whole of Earth were compressed as tightly as possible (i.e., no spacing between molecules), how big would it be? Assume that we exclude all living things on earth, but include water.Anyone can offer a reasonable guesstimate? Thanks.
http://xaonon.dyndns.org/hawking/gives the radius of an earth mass black hole as about 9 mm
My arithmetic makes the diameter of the compressed Earth as 180 meters.