Q9
"Sirius", the brightest star outside of the Solar System, is also called ________.
A.
Cat star
B.
Dog star
AnswerC.
Fox star
D.
Lion star
Answer: Option B
Solution
Answer: Option B
Solution:
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 a luminous main sequence star, Sirius A, with an apparent magnitude of -1.46.