Deep-Sky Object
Cometary Globule
A dark cloud with a glowing tail.
Dust clouds with a bright head and a long faint tail, sculpted by radiation and winds from a nearby hot star.
Overview
Dust clouds with a bright head and a long faint tail, sculpted by radiation and winds from a nearby hot star.
See also
Emission Nebula
A glowing cloud of ionised gas.
H I Region
A cloud of neutral hydrogen, glowing at 21 cm.
Orion Nebula (M42)
A stellar nursery glowing in Orion's sword.
Dark Nebula
A cold cloud blocking the stars behind it.
Diffuse Nebula
Interstellar cloud of gas and dust visible by emission, reflection, or absorption.
Giant H II Region
Interstellar cloud of gas and dust visible by emission, reflection, or absorption.