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How many planets are currently recognised in the Solar System?

Answer and explanation

Correct answer: Eight

The governing concept is the modern classification of objects orbiting the Sun. The Solar System currently has eight recognised planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. In 2006, Pluto was reclassified by the International Astronomical Union as a dwarf planet because it does not meet all the criteria used for a full planet, particularly the requirement that it clear the neighbourhood around its orbit. Therefore option C, eight, is correct. Seven is one fewer than the accepted number, while nine reflects the older school list that included Pluto as a planet. Ten is not supported by the current classification. The answer should be based on present astronomical terminology, while remembering that dwarf planets and other smaller bodies still belong to the Solar System.

Related tags

GeographySolar SystemEight PlanetsPlutoStar FormationFormation Of PlanetsAnd Our Solar SystemStar Formation Formation Of Planets And Our Solar SystemThe Origin And Evolution Of The EarthClass 11 Mcq

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