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A white dwarf is a small star, about the size of Earth but with high mass and density. It is the compressed core of a normal star that has cast its shell at the final stage of evolution.
A white dwarf is a small star, about the size of Earth but with high mass and density. It is the compressed core of a normal star that has cast its shell at the final stage of evolution.
Lewis Carroll writes about military space programmes, policy, technology and the industry that supports the sector. He spent nearly two decades covering the military, the Pentagon, Congress and the defence industry as a journalist for Space Chatter magazine.