A huge ring of dust and gas surrounds this nearby young star, but there are no planets in it and astronomers don’t know why.
Most know it as Vega, although it also responds to the names of Alpha Lyra, of whose constellation it is the main star, Gliese 721 and HD 172167. Born ‘a short time ago’ (it was formed about 455 million years ago), it is the fifth brightest star…
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#Vega #enigma #planets
