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Ross 248

Kepler-186

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kepler-186,kepler-186f

Kepler-186 is a red dwarf star located 579 light years away in the northern constellation Cygnus (the Swan). With an apparent magnitude of 15.29, it… Read More »Kepler-186

Castor

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castor star,alpha geminorum

Castor, Alpha Geminorum (α Gem), is a sextuple star system located in the constellation Gemini. It is composed of three binary pairs designated Castor A,… Read More »Castor