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Q: Which of the following stars is nearest to the sun?
  • A. Proxima Centauri
  • B. Sirius
  • C. Deneb
  • D. Betelgeuse
Correct Answer: Option A - Proxima Centauri has been the closest star to the sun. It is a small, low-mass star located 4.2465 light years away from the sun in the southern constellation of centaurus. It is a member of the Alpha Centaury star system.
A. Proxima Centauri has been the closest star to the sun. It is a small, low-mass star located 4.2465 light years away from the sun in the southern constellation of centaurus. It is a member of the Alpha Centaury star system.

Explanations:

Proxima Centauri has been the closest star to the sun. It is a small, low-mass star located 4.2465 light years away from the sun in the southern constellation of centaurus. It is a member of the Alpha Centaury star system.