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Which planet was reclassified as a "dwarf planet" by the International Astronomical Union in 2006?
- a)Mars
- b)Jupiter
- c)Pluto
- d)Saturn
Correct answer is option 'C'. Can you explain this answer?
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Which planet was reclassified as a "dwarf planet" by the Int...
Pluto was reclassified as a "dwarf planet" in 2006.
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Which planet was reclassified as a "dwarf planet" by the Int...
Background:
In 2006, the International Astronomical Union (IAU) made a decision that reclassified Pluto as a "dwarf planet" rather than a full-fledged planet.
Reason for Reclassification:
- The decision was made due to the updated definition of what constitutes a planet. According to the new criteria, a celestial body must meet three conditions to be classified as a planet:
- It must orbit the Sun.
- It must be spherical in shape.
- It must have cleared its orbit of other debris.
- Pluto did not meet the third criterion as it shares its orbit with other objects in the Kuiper Belt, a region beyond Neptune that contains many small icy bodies.
Impact of Reclassification:
- The reclassification of Pluto sparked debates among scientists and the general public about the definition of a planet and the classification of celestial bodies.
- Some people were disappointed by the decision as they had grown up learning that Pluto was the ninth planet in our solar system.
- However, the decision was made to create a more precise and consistent classification system for celestial objects.
Conclusion:
In 2006, the IAU reclassified Pluto as a "dwarf planet" based on updated criteria for what constitutes a planet. This decision had a significant impact on the way we understand and classify objects in our solar system.
In 2006, the International Astronomical Union (IAU) made a decision that reclassified Pluto as a "dwarf planet" rather than a full-fledged planet.
Reason for Reclassification:
- The decision was made due to the updated definition of what constitutes a planet. According to the new criteria, a celestial body must meet three conditions to be classified as a planet:
- It must orbit the Sun.
- It must be spherical in shape.
- It must have cleared its orbit of other debris.
- Pluto did not meet the third criterion as it shares its orbit with other objects in the Kuiper Belt, a region beyond Neptune that contains many small icy bodies.
Impact of Reclassification:
- The reclassification of Pluto sparked debates among scientists and the general public about the definition of a planet and the classification of celestial bodies.
- Some people were disappointed by the decision as they had grown up learning that Pluto was the ninth planet in our solar system.
- However, the decision was made to create a more precise and consistent classification system for celestial objects.
Conclusion:
In 2006, the IAU reclassified Pluto as a "dwarf planet" based on updated criteria for what constitutes a planet. This decision had a significant impact on the way we understand and classify objects in our solar system.
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Which planet was reclassified as a "dwarf planet" by the International Astronomical Union in 2006?a)Marsb)Jupiterc)Plutod)SaturnCorrect answer is option 'C'. Can you explain this answer?
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