Satellites, télescopes, images

The Milky Way and Scorpius constellation (ground-based image)

The Eponymous NGC 691

The Ghost Nebula

The Galaxy NGC 4450 is Host to a Supermassive Black Hole

The Glowing Gas Ring around Supernova 1987A

The Heart of the Whirlpool Galaxy

The Egg Nebula

The Gravitational Lens G2237 + 0305

The Expansion of Eta Carinae Debris

The Cosmic Web (Artist’s Impression)