Galaxies

Deep-Sky Objects, Galaxies, Stars

Cor Caroli, the Pearl Cluster (NGC 3766), and the Leo Triplet

Exotic Objects, Galaxies, Stars

Supermassive black holes cause galactic-scale warming

Deep-Sky Objects, Galaxies

Hubble sees a swarm of ancient star clusters around a galaxy

Galaxies

Astronomers confirm the faintest early galaxy ever detected

Deep-Sky Objects, Galaxies, Stars

The double star Pulcherrima, the Owl Nebula (M97), and barred spiral galaxy M108

Galaxies

Small blue galaxy could shed new light on Big Bang

Deep-Sky Objects, Galaxies

Open cluster NGC 3114, the Sliced Onion Galaxy (NGC 3344), and irregular galaxy NGC 3448

Deep-Sky Objects, Galaxies

The Ursa Major Moving Cluster, elliptical galaxy M105, and the Little Pinwheel Galaxy (NGC 3184)

Galaxies

Second strongest shock wave found in merging galaxy clusters

Galaxies, Stars

Two Cancer double stars, spiral galaxy NGC 2841, and spiral galaxy NGC 3169

Galaxies, Milky Way

The Milky Way and Andromeda galaxies are approaching each other. With current technology, how long would it take before we could directly measure the apparent increase in size of Andromeda?

Deep-Sky Objects, Galaxies

The Eta Carinae Nebula, spiral galaxy M95, and the Gamma Leonis Group