Bizarre star may have a solid surface, according to X-ray observations

Stars are big hot balls of plasma, but astronomers have now spotted a super strange one that seems to have a solid surface. Its intense magnetic field is strong enough to overcome its blistering temperatures and “freeze” its outer layers into a solid crust.

A Star in a Bottle

Universe, Free Full-Text

Newfound gravitational waves may be from the biggest black holes in the universe

Einstein's general relativity revealed a violent universe - Century of Science

Really Hot Stars

A bizarre observation of a star hints at a possible solid surface with no atmosphere, by Faisal Khan, Technicity

Mysterious fast radio bursts from space: Five explanations for what they could be

A helium-burning white dwarf binary as a supersoft X-ray source

The Structure and Composition of the Sun

Spaced out! 101 astronomy images that will blow your mind