supergiant

/soo-per-jahy-uhnt/US // ˈsu pərˌdʒaɪ ənt //UK // (ˈsuːpəˌdʒaɪənt) //

超级巨无霸,超级巨头,超级巨星,超巨型

Definitions

n.名词 noun

1
- : Astronomy. supergiant star.
- : an extremely large or powerful person, company, thing, etc.

adj.形容词 adjective

Betelgeuse is Earth’s closest red supergiant star, a late phase of the stellar life cycle that comes before a supernova explosion.
That could be one way that red supergiants shed material before exploding.
Betelgeuse is just one of the many aging, massive stars — called red supergiants — that could go supernova at any moment.