Variable nebula

A Hubble Space Telescope image of NGC 2261, a classic example of a variable nebula.

Variable nebulae are reflection nebulae that change in brightness because of changes in their star.

Nebula

List

Visible nebula	Dark nebula Diffuse nebula Emission nebula Planetary nebula Supernova remnant Nova remnant H II region Reflection nebula Variable nebula Preplanetary nebula

Pre-stellar nebula	Giant molecular cloud Bok globule Evaporating gaseous globule Solar nebula

Stellar nebula	Nova remnant Protoplanetary nebula Wolf–Rayet nebula

Post-stellar nebula	Planetary nebula Supernova remnant Pulsar wind nebula Supershell

Clouds	Interstellar cloud Infrared cirrus High-velocity cloud H I region

Morphology	Bipolar nebula Pinwheel nebula

Lists	List Diffuse Planetary (PNe) Protoplanetary (PPNe) Supernova renmants (SNRs)

Category Commons Wiktionary

See also