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Mayur Arya

Sirius is not a member of our Solar System. It is the brightest star in the night sky and belongs to a distant star system, whereas comets, asteroids, and Pluto are part of our Solar System.

Mayur Arya

Pluto is not considered a planet of the Sun. Once classified as the ninth planet, it was reclassified as a dwarf planet in 2006 by the International Astronomical Union due to its small size and irregular orbit.