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objects such as the great nebula in andromeda were once called extragalactic nebulae. it is now realized that they are actually (A) inside our own galaxy.
(B) small objects just outside our own galaxy.
(C) other galaxies much like our own.

Answer :

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Other galaxies much like our own. A list of extragalactic nebula definitions. A group of star systems; any of the billions of systems, each with a large number of stars, nebulae, and dust.

Describe a nebula?

In space, a nebula is a huge cloud of gas and dust. Some nebulae, including multiple nebulae, are made of gas and dust that have been released from the explosion of a dead star called a supernova. There are other nebulae that are star-forming regions.

Which 4 varieties of nebula are there?

These include planetary nebulae, emission nebulae, reflection nebulae, dark nebulae, and supernova remnants. The appearance of emission and reflection nebulae is often hazy, with no discernible shape or structure. They go by the name diffuse nebulae as well.

Learn more about stars here:

https://brainly.com/question/21521087

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