White dwarf - Wikipedia
A white dwarf also called a degenerate dwarf is a stellar core remnant composed mostly of electrondegenerate matter A white dwarf is very dense its mass is.
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Worksheets and No Prep Teaching Resources Space And Stars Astronauts Activities Worksheets Printables and Lesson Plans.
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As solar storms ramp up the electric power grid braces for impact.
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The tally of planets in our solar system would jump instantly to a dozen under a highly controversial new definition proposed by the International Astronomical Union.
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