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Q: “Sirius”, the brightest star outside solar system, is also called………..
  • A. Cat star
  • B. Dog star
  • C. Fox star
  • D. Lion star
Correct Answer: Option B - The brightest star in the sky is Sirius also known as the "Dog star" or more officially, Alpha Canis Majoris, for its position in the constellation Canis Major. Sirius is a binary star dominated by luminous main sequence star, Sirius A, with in apparent Magnitude of –1.46.
B. The brightest star in the sky is Sirius also known as the "Dog star" or more officially, Alpha Canis Majoris, for its position in the constellation Canis Major. Sirius is a binary star dominated by luminous main sequence star, Sirius A, with in apparent Magnitude of –1.46.

Explanations:

The brightest star in the sky is Sirius also known as the "Dog star" or more officially, Alpha Canis Majoris, for its position in the constellation Canis Major. Sirius is a binary star dominated by luminous main sequence star, Sirius A, with in apparent Magnitude of –1.46.