The Little Dumbbell Nebula, or NGC 650/651, is located 3,400 light-years away in the northern circumpolar constellation Perseus. The Orion Nebula is a perfect example of an emission nebula.

The Orion Nebula is the only nebula that can be seen with the naked eye, despite being 1,344 light years away.

Credit: NASA, ESA, and the Hubble Heritage Team (AURA/STScI); ESO Astronomers name nebulae for what they look like through a ...

Orion Nebulae: This image features the Cassiopeia A supernova, an expanding ball of matter and energy ejected from an exploding star. Horsehead Nebulae: The Horsehead Nebula is famously known for ...

M16 is the collective name for two distinct objects that are listed separately in astronomical catalogues: an emission nebula, referred to as IC 4703, and an open star cluster, designated as NGC 6611.

A theoretical astrophysicist may have solved a nearly two-decade-old mystery over the origins of an unusual 'zebra' pattern seen in high-frequency radio pulses from the Crab Nebula. A theoretical ...