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Quote by Geoffrey Marcy

“A major puzzle for which nobody has an answer is this: is there some size at which the planets change their nature from water-rich planets like Neptune, to rocky planets like the Earth? We have found two planets that are the size of the Earth in radius, but they are very close to their host star, so water on the surface would evaporate away.”

Quote by Geoffrey Marcy

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Geoffrey Marcy
Geoffrey Marcy

Geoffrey Marcy is an accomplished astronomer known for his discoveries and research in exoplanets. Born on September 29, 1954, he has made significant contributions to the field of astronomy throughout his career. more

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