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Betelgeuse

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betelgeuse star,alpha orionis

Betelgeuse, Alpha Orionis (α Ori), is a red supergiant star located in the constellation Orion, the Hunter.  It has an estimated radius 640 to 764… Read More »Betelgeuse

K2-18

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k2-18,k2-18b

K2-18 is a red dwarf star with half the Sun’s mass located 124.3 light years away in the zodiac constellation Leo. With an apparent magnitude… Read More »K2-18