Does each nebula creates many stars?

Nebula is a common name for many kinds of diffuse extended objects, including supernova remnants (eg: Crab nebula), HII regions (eg: Orion nebula), planetary nebulae (eg: Cat's Eye nebula) and dark nebulae (eg: Horsehead nebula). read more

Nebula is a common name for many kinds of diffuse extended objects, including supernova remnants (eg: Crab nebula), HII regions (eg: Orion nebula), planetary nebulae (eg: Cat's Eye nebula) and dark nebulae (eg: Horsehead nebula). read more

Stingray Nebula (Hen-1357): The youngest known planetary nebula, Hen-1357 is as large as 130 solar systems. SuWt2: A close binary star system creates a ring-like structure of dust and gas inside of this planetary nebula. read more

Thus the nebula radiates by reflected star light. About 1923, following the Great Debate, it had become clear that many"nebulae" were in fact galaxies far from our own. read more