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.
Which of the following is not a planet of the Sun? (i) Jupiter (ii) Pluto (iii) Neptune (iv) Saturn
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Pluto is not recognized as a planet of the Sun. It was initially classified as the ninth planet in the Solar System, but in 2006, the International Astronomical Union redefined it as a dwarf planet. This decision was based on Pluto’s small size, irregular orbit, and its inability to clear its orbital path. In contrast, Jupiter, Neptune, and Saturn are all gas giants and remain classified as planets within the Solar System, orbiting the Sun.
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