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Pluto

en.wikipedia.org/wiki/Pluto

Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, a ring of ... The IAU has not formalized a definition for binary dwarf planets, and Charon is officially classifi...

Why Pluto is No Longer a Planet - Universe Today

www.universetoday.com/13573/why-pluto-is-no-longer-a-planet/

This article was originally written in 2008, but we created a cool video to go along with it yesterday. Let's find out why Pluto is no longer considered a planet.

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

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

Jul 13, 2015 ... In 2006, Pluto was demoted from planet status. Why was it removed from the planet club?

Why is Pluto no longer a planet? (Everyday Mysteries: Fun Science ...

www.loc.gov/rr/scitech/mysteries/pluto.html

The International Astronomical Union (IAU) downgraded the status of Pluto to that of a dwarf planet because it did not meet the three criteria the IAU uses to ...

Why is Pluto no longer considered a planet? | HowStuffWorks

science.howstuffworks.com/pluto-planet.htm

Aug 24, 2006 ... Pluto, shown as the outermost ring in both illustrations, has the most irregular orbit of all of the objects previously considered planets.

Why Is Pluto No Longer A Planet - Planets For Kids

www.planetsforkids.org/why-is-pluto-no-longer-a-planet.html

Pluto used to be known as the smallest planet in our solar system, and the furthest planet from the sun. Pluto was discovered in 1930 by Clyde Tombaugh, ...

Why isn't Pluto a planet anymore? - UCSB Science Line - University ...

scienceline.ucsb.edu/getkey.php?key=1504

Pluto is not considered a planet anymore because The International ... Planets include the eight traditional planets from Mercury to Neptune, but no longer Pluto.

Why Is Pluto No Longer A Planet? We Explain : CULTURE : Tech ...

www.techtimes.com/articles/48007/20150422/this-is-why-is-pluto-no-longer-a-planet.htm

Apr 22, 2015 ... ... from planet to dwarf planet, scientists had their reasons for changing Pluto's classification. Here's why Pluto is no longer considered a planet.

Pluto Demoted: No Longer a Planet in Highly Controversial Definition

www.space.com/2791-pluto-demoted-longer-planet-highly-controversial-definition.html

Aug 24, 2006 ... Officially, Pluto is no longer a planet. "Pluto is dead," said Caltech researcher Mike Brown, who spoke with reporters via a teleconference while ...

www.ask.com/youtube?q=Why Is Pluto No Longer a Planet?&v=pTZMgoh663I
Apr 15, 2014 ... People cry about how pluto not being a planet anymore but no one .... the case for why Pluto is no longer a standard planet in our solar system, ...
Answer
Pluto does not meet all three criteria that now define a planet. A planet must orbit around the Sun, have sufficient mass to maintain a nearly round shape, and it must have cleared the neighborhood around its orbit.
Pluto has not cleared the neighboorhood around its orbit. It has been reclassified as a "dwarf planet". More >>
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Why Is Pluto No Longer a Planet? | Wonderopolis

wonderopolis.org

The truth is, nothing about Pluto changed, but the definition of a planet did. Once these changes became official, Pluto no longer fit the definition of a planet.

What Is Pluto? | NASA

www.nasa.gov

Pluto is a dwarf planet in our solar system. ... A drawing of the orbits of the planets and Pluto ..... Large debris could be satellites that are no longer working.

Pluto Not a Planet, Astronomers Rule - National Geographic News

news.nationalgeographic.com

Aug 24, 2006 ... Pluto is no longer a planet, according to a new official definition. Instead the icy sphere will be considered one of more than 40 "dwarf planets."