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     5:11

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     Why Is PLUTO Not A Planet? | Dwarf Planet | Space Video | Dr Binocs Show | Peekaboo Kidz

     2 Apr 2021

     10.4M views

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     2:39

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     Curiosity: Why Pluto Is Not A Planet Anymore?

     4 Jun 2023

     25.9K views

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     1:36

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     Why is Pluto Not a Planet?

     20 Mar 2022

     22.5K views

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2. www.britannica.com › story › why-is-pluto-no-longer-a-planetWhy Is Pluto No Longer a Planet? | Britannica

   www.britannica.com › story › why-is-pluto-no-longer-a-planet

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   Learn how the International Astronomical Union defined the term planet in 2006 and why Pluto failed to meet the criteria. Find out the scientific reasoning behind the controversial decision and the public reaction to it.

   • Why Are Planets Round

     Why? The gravitational force of a planet’s mass pulls all of...

3. Top stories

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     USA Today on MSN.com

     Is Pluto a planet? Where the debate stands and why some believe it should be

     3 days ago

   • USA TODAY on MSN.com

     Is Pluto a planet? Some no longer consider it one, but others believe it should be.

     Here’s everything you need to know about Pluto.Start the day smarter. Get all the news you need in your inbox each morning. Is Pluto a planet? No – Pluto is technically a dwarf planet and is classified differently than the major planets,

     2 days ago

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     Astronomy on MSN.com

     Is Pluto a planet? The experts break it down.

     5 days ago

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4. www.bbc.com › news › science-environment-33462184Why is Pluto no longer a planet? - BBC News

   www.bbc.com › news › science-environment-33462184

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   Jul 13, 2015 · By Paul Rincon. Science editor, BBC News website. Nasa's New Horizons mission made a close pass of Pluto this week. For more than 70 years, Pluto was one of nine planets recognised in our Solar...

5. www.space.com › why-pluto-is-not-a-planetWhy is Pluto not a planet? | Space

   www.space.com › why-pluto-is-not-a-planet

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   Oct 13, 2022 · Pluto's so-called demotion from planetary status raises larger issues about how to define any object in the solar system, or even in space more generally. It shows that science...

6. www.loc.gov › astronomy › itemWhy is Pluto no longer a planet? | Library of Congress

   www.loc.gov › astronomy › item

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   Learn why Pluto was downgraded from a planet to a dwarf planet by the International Astronomical Union in 2006. Find out the criteria, history and controversy of this decision.

7. www.nationalgeographic.com › science › articleDid Pluto ever actually stop being a planet? Experts debate.

   www.nationalgeographic.com › science › article

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   Feb 16, 2024 · Did Pluto ever stop being a planet? The answer depends on who you ask. Learn the arguments from both sides of the Pluto/No-Pluto fence, based on the IAU's criteria and the discovery of new dwarf planets.

8. www.popsci.com › why-is-pluto-no-longer-planetWhy is Pluto not a planet? | Popular Science

   www.popsci.com › why-is-pluto-no-longer-planet

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   Oct 17, 2018 · Pluto failed a three-part test to be a planet in 2006, when the IAU redefined the word. Learn why Pluto is not a planet anymore and what makes it different from the other worlds in the solar system.

9. www.nationalgeographic.com › dwarf-planet-pluto-astronomyPluto Not a Planet, Astronomers Rule - National Geographic

   www.nationalgeographic.com › dwarf-planet-pluto-astronomy

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   Aug 23, 2006 · Learn why Pluto was demoted from a planet to a dwarf planet by a vote of the International Astronomical Union in 2006. The new definition of a planet requires roundness, gravity, and dominance of the neighborhood.