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Q: A huge collection of gas, dust and billions of stars is called a:
  • A. planet
  • B. satellite
  • C. galaxy
  • D. solar system
Correct Answer: Option C - A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity.The existence of galaxies beyond the Milky Way was first demonstrated by Edwin Hubble in 1924.Our galaxy is the Milky Way Galaxy (or the Akash ganga).It is spiral in shape. There are three general kinds of galaxies in the universe namely elliptical, spiral and irregular. The Milky Way is a spiral galaxy.
C. A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity.The existence of galaxies beyond the Milky Way was first demonstrated by Edwin Hubble in 1924.Our galaxy is the Milky Way Galaxy (or the Akash ganga).It is spiral in shape. There are three general kinds of galaxies in the universe namely elliptical, spiral and irregular. The Milky Way is a spiral galaxy.

Explanations:

A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity.The existence of galaxies beyond the Milky Way was first demonstrated by Edwin Hubble in 1924.Our galaxy is the Milky Way Galaxy (or the Akash ganga).It is spiral in shape. There are three general kinds of galaxies in the universe namely elliptical, spiral and irregular. The Milky Way is a spiral galaxy.