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Alpha Centauri (brightest star in the southern constellation of Centaurus)
Alpha Centauri, in the constellation of Centaurus, is the closest star to Earth.
sub-brown dwarf
A sub-brown dwarf is a celestial body between a planet and a brown dwarf.
a goal cannot be attained easily
He said, 'A nameless star comes out in the evening,' teaching me that achieving a goal is not easy.
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