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Eta Cassiopeiae, 24 Cassiopeiae

Achird is a near-neighbour of the Solar System, lying less than twenty light years from the Sun. It falls within the boundaries of Cassiopeia, about halfway between the brighter stars Cih and Schedar. Achird is not only close by in astronomical terms, but it is also a yellow dwarf, making it physically very similar to the Sun. The Achird system differs radically from our own Solar System, though, in that the visible yellow star has as many as seven companion stars.


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