Broschiertes Buch

Gliese 777

Constellation, Cygnus (constellation), Subgiant, Light-year, Binary star, Star, Extrasolar planet, Red dwarf

Herausgegeben: Kjeld, Pollux Évariste

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Gliese 777, often abbreviated as Gl 777 or GJ 777, is a yellow subgiant approximately 52 light-years away in the constellation of Cygnus. The system is also a binary star system made up of two stars and possibly a third. As of 2005, two extrasolar planets are known to orbit the primary star. he primary star of the system is a yellow subgiant, a Sun-like star that is ceasing fusing hydrogen in its core.