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Vega |
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VegaBrightest star in the constellation Lyra and the fifth-brightest star in the night sky. It is a blue-white star, about 25 light years from the Sun, with a true luminosity 50 times that of the Sun. In 1983 the Infrared Astronomy Satellite (IRAS) discovered a ring of dust around Vega, possibly a disc from which a planetary system is forming.
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