Which of the following is NOT a planet of the sun? (a) Sirius (b) Mercury (c) Saturn (d) Earth
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Which of the following is NOT a planet of the sun?
(a) Sirius✔️✔️
(b) Mercury
(c) Saturn
(d) Earth
(a) Sirius✔️✔️
(b) Mercury
(c) Saturn
(d) Earth
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Explanation:
The answer is (a) Sirius. It is a binary star and the sunniest star in the night sky. The binary system contains a main-sequence star of fragile type A0 or A1, called Sirius A, and a faint white dwarf companion of spectral type DA2, designated as Sirius B. The distance between the two varies between 8.2 and 31.5 astronomical units as they orbit every 50 years. You can further discuss the same with your friends or teacher in case you have any doubt.
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