general/astronomical-objects

None

Natural physical entity in space

Largest moon of Jupiter

Cloud of heated and ionized gas and dust in the constellation Cygnus

Emission nebula in the constellation Cassiopeia

Metallic main-belt asteroid

Main-belt asteroid

1961 supernova-like event in NGC 1058

Moon of Saturn

Main-belt asteroid

Trojan moon of Saturn

Asteroid

Moon of Uranus

Immense galaxy filament

Trojan asteroid of Mars

Gamma-ray burst detected on 28 Feb 1997, the first for which an afterglow was observed

2002 Type Ia supernova event in the constellation Virgo

Object in high Earth orbit

June 2006 Gamma-ray burst in the constellation Indus

Very distant gamma-ray burst detected in 2009

Small moonlet in Saturn's B ring

Galaxy cluster in the constellation Phoenix

Tidal disruption event in the constellation Draco

Millisecond pulsar in the constellation Serpens

One of the most distant quasars known

Supernova in the Whirlpool Galaxy

Great Comet of 2011

Small natural satellite of Pluto

Brown dwarf in the constellation Triangulum Australe

Non-periodic comet

Star cluster in the constellation of Taurus

Globular cluster in the constellation Centaurus

Open star cluster in the constellation of Scorpius