A nebula is a cloud of gas and dust in space. It is often the birthplace of stars and planets. Nebulae come in different shapes and sizes, but they are usually composed of a mix of heterogeneous materials, including gas (mostly hydrogen and helium) and solids (ice, dust, and other particles). They are not necessarily limited to rotating structures.

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A Nebula Is

Question 16

Multiple Choice

A Nebula is:

A) a rotating cloud of small solid particles
B) a rotating disk composed from helium and hydrogen
C) a rotating cloud of atmospheric gases (nitrogen and oxygen)
D) a rotating cloud of heterogeneous materials,ice,gas and other solids
E) none of the choices are correct

Correct Answer: