Deep-Sky Object
Circumplanetary Disc
A disc of material around a young giant planet.
Discs of gas and dust around forming planets, from which moons can form. Several have now been directly imaged.
Overview
Discs of gas and dust around forming planets, from which moons can form. Several have now been directly imaged.
See also
Pleiades (M45)
The Seven Sisters — a young blue cluster.
Bok Globule
A small, dark dust cocoon harbouring a young star.
Superbubble
A giant cavity blown by many supernovae.
Stellar Association
A loose grouping of young related stars.
Andromeda Galaxy (M31)
The farthest thing you can see with the naked eye.
Orion Nebula (M42)
A stellar nursery glowing in Orion's sword.