A famous example of an emission nebula is the Orion Nebula, a huge, star-forming nebula in the constellation Orion. The star V830 Orionis shines on the cloud of material left over from its formation, ...

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.

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 ...

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