This image features a deep field view of the Cassiopeia constellation immersed in the glow of ionized hydrogen gas, where the ...
"Starburst galaxies birth lots of hot blue stars that burn fast and die quickly in explosions that unleash intense ...
The other small bright bluish ball visible to the left of center in the image is known as Abell 6. This small planetary nebula, like others like it, was formed by gases in the outer layers of a ...