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Q: How do scientists represent the Milky Way with the use of arms?
  • A. Cylindrical
  • B. Spiral
  • C. Circular
  • D. Elliptical
Correct Answer: Option B - The Milky Way is a medium-sized barred spiral galaxy containing 100 billion stars. The earth is located in the solar system which situated in Milky Way. Most of scientists believe that the Milky Way galaxy is spiral in shape also and is constantly rotating as such the arms are moving through space.
B. The Milky Way is a medium-sized barred spiral galaxy containing 100 billion stars. The earth is located in the solar system which situated in Milky Way. Most of scientists believe that the Milky Way galaxy is spiral in shape also and is constantly rotating as such the arms are moving through space.

Explanations:

The Milky Way is a medium-sized barred spiral galaxy containing 100 billion stars. The earth is located in the solar system which situated in Milky Way. Most of scientists believe that the Milky Way galaxy is spiral in shape also and is constantly rotating as such the arms are moving through space.