UY Scuti

RED SUPERGIANT · one of the largest stars

SIZE around 1,700 × the SunDISTANCE about 9,500 light years

A star so swollen it defies imagination. Put UY Scuti where the Sun is, and its surface would reach past Jupiter; a jet plane flying around it once would be in the air for over a thousand years. Stars this large are barely holding together, constantly shedding gas, living fast on the way to a supernova.

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Tycho's Supernova (SN 1572)US 708 UU Aurigae Upsilon Andromedae b Upsilon Andromedae c Upsilon Andromedae d All objects in the library