The Wolf-RAY star located at the center of Thor's helmet is expected to explode as a supernova within thousands of years.

The “Thor’s Helmet” Nebula is an emission nebula made of gas, primarily hydrogen and oxygen. At the center of the nebula is a ...

A red nebula resembling a seagull and a blue nebula resembling Thor's helmet have been captured in a photograph. The red nebula is a merger of two massive emission nebulae. The nebula at the head ...