Featured in astronomy

orion nebula
illustration of a radio signal beaming towards earth
art illustration of the sun
Aerial view of Paranal with VISTA in the foreground and the Very Large Telescope in the background.
a diagram of saturn with its slushy core
A supermassive black hole inflates massive lobes, visible here in X-rays, above and below the Centaurus A galaxy.
An image of the black expanse of space, with stars and a galaxy in the middle. A single small star is circled in white.
A large, yellow moon rises over the branches of a tree.
A side by side comparison of the star Betelgeuse in January and December of 2019. The star is was dimmer in December 2019.
The Milky Way Galaxy