3 objects
Extreme stars
The largest, hottest, oldest and strangest stars.
Size uncertain Stephenson 2-18 A red supergiant so large that, in place of the Sun, its surface would reach past the orbit of Jupiter → Betelgeuse Orion's shoulder: a dying giant that dimmed dramatically in 2019 and will one day explode → UY Scuti Once crowned the largest known star, until a better distance measurement shrank it by half →