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  1. Why is Pluto no longer a planet? - BBC News

    Jul 13, 2015 · For more than 70 years, Pluto was one of nine planets recognised in our Solar System. But in 2006, it was relegated to the status of dwarf planet by the International …

  2. Why is Pluto no longer a planet? - Library of Congress

    Nov 19, 2019 · In August 2006 the International Astronomical Union (IAU) downgraded the status of Pluto to that of “dwarf planet.” This means that from now on only the rocky worlds of the inner Solar System and the giant planets of the outer system will be designated as planets.

  3. Why is Pluto not considered a planet? - Live Science

    Nov 13, 2024 · Based on the third requirement, the committee declared that Pluto no longer qualified as a planet because of its position in the cluttered Kuiper Belt, where thousands of …

  4. Why Is Pluto No Longer a Planet? - Britannica

    Pluto is now classified as a dwarf planet because, while it is large enough to have become spherical, it is not big enough to exert its orbital dominance and clear the neighborhood surrounding its orbit.

  5. Why is Pluto not a planet? | Space

    Oct 13, 2022 · Pluto, officially a dwarf planet, has surprising complexity on its surface. While certainly a world, not everyone agrees it is a planet.

  6. Why is Pluto not a planet? The solar system drama behind the …

    Apr 25, 2025 · At this moment, Pluto is still classified as a dwarf planet. Despite ongoing debate and public support for its reinstatement, the International Astronomical Union has not changed its 2006...

  7. Why Is Pluto No Longer a Planet? - sciencenewstoday.org

    May 3, 2025 · Pluto—the icy, distant world discovered in 1930, the ninth and once-final planet of our solar system—was reclassified. Overnight, it was no longer a planet. This decision sparked controversy, confusion, and even grief. People felt they had lost a friend, a familiar dot at the edge of the solar system.

  8. Pluto: Facts - NASA Science

    Apr 22, 2025 · Why is Pluto no longer a planet? Pluto was reclassified as a dwarf planet in 2006 by the International Astronomical Union because other objects might cross its orbit.

  9. Astronomers' sacrifice: why Pluto is no longer a planet

    Feb 15, 2025 · In 2006, the International Astronomical Union (IAU) made the scandalous decision to remove Pluto from the list of planets. But why did astronomers turn against it? And could Pluto regain planet status in the future? Already immediately after its discovery, it became clear that Pluto is markedly different from the other planets of the Solar System.

  10. 5 Reasons why Pluto is NOT a planet anymore - Coffee Table …

    Jun 12, 2024 · Why is Pluto not a planet? Here are five reasons why astronomers agreed to remove Pluto from the list of planets in the solar system.

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