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'Gyrochronology' Allows Astronomers to Find True Sun-like Stars - Universe Today
There’s no doubt the term “Earth-like” is a bit of a misnomer. It requires only that a planet is both Earth-size (less than 1.25 times Earth’s girth and less than twice Earth’s mass) and circles its host star within the habitable zone. But defining a “Sun-like” star may be just as difficult. A solar twin … Continue reading "‘Gyrochronology’ Allows Astronomers to Find True Sun-like Stars"