Vega

views updated May 08 2018

Vega Two Soviet missions to Venus and comet Halley, both of which were launched in 1984.

A Dictionary of Earth Sciences AILSA ALLABY and MICHAEL ALLABY

Vega

views updated May 21 2018

Vega (Alpha Lyrae) White, main-sequence star in the constellation of Lyra; the fifth-brightest star in the sky. Its luminosity is 50 times that of the Sun.

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Vega

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