This image features a deep field view of the Cassiopeia constellation immersed in the glow of ionized hydrogen gas, where the ...

The rapidly spinning neutron star embedded in the center of the nebula is the dynamo powering ... hydrogen (green), and doubly ionized oxygen (blue). The name 'Little Dumbbell' comes from its ...

This small planetary nebula, like others like it, was formed by gases in the outer layers of a dying star. The nebula we see today is a shell of dust and gas that was ejected from a star as it ...