Hypergiant

The rare hypergiant star was one which shares similar characteristics with a supergiant star, but was a hundred times more massive than Sol. The theoretical lifespan of a hypergiant is one to two million years. Like its supergiant companions, a hypergiant star will go supernova when it exhausts its supply of fuel and gravity crushes the inert remains.

was the first Earth starship to research a red hypergiant a range closer than 10 light years in 2153; it was nearly a billion kilometers in circumference and was not expected to go supernova for another one hundred or two hundred years. Their hull reached a temperature of 1,100 s, making it unsafe to approach any closer to the hypergiant. 

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極超巨星 Hyperreus