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Once found, Pluto's faintness and lack of a resolvable disc cast ... idea that it was Lowell's Planet X. Estimates of Pluto's mass ...

Why Pluto is No Longer a Planet - Universe Today


Dec 24, 2015 ... Let's find out why Pluto is no longer considered a planet. Pluto was first ..... In my opinion, any definition of planet that isn't… Read more ». 0.

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


Jul 13, 2015 ... In 2006, Pluto was demoted from planet status. ... But it will bring into clear focus once more what is, and what isn't, meant by the term "planet".

www.ask.com/youtube?q=Why Isn't Pluto a Planet Anymore?&v=APPGb-4bp4Q
Jul 13, 2012 ... NASA scientist explains why Pluto got... well... plutoed. Pluto (minor-planet designation: 134340 Pluto) is a dwarf planet in the Kuiper belt, ...
www.ask.com/youtube?q=Why Isn't Pluto a Planet Anymore?&v=FqX2YdnwtRc
Feb 12, 2007 ... Dr. Robert Hurt explains why Pluto got... well... plutoed.

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


The reason why there was debate over whether Pluto constitutes a planet or not is due to ... Pluto is not considered a planet anymore because The International ...

Pluto Not a Planet, Astronomers Rule - National Geographic News


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."

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


Apr 22, 2015 ... Of course, that doesn't mean that Pluto isn't any less important in our solar system . NASA's New Horizon mission began before scientists voted ...

Pluto a Planet Again? It May Happen This Year - The Crux


Feb 25, 2015 ... To be fair, the people on the “Pluto isn't a planet” side are just as passionate and intense as those on the “Pluto is a planet” side. Using terms ...

Video: Why isn't Pluto a planet anymore? | Space | EarthSky


Feb 21, 2013 ... Video by C.G.P. Grey does a good job explaining why, in 2006, the International Astronomical Union demoted Pluto to dwarf planet status.

Pluto, though originally classified as a planet, was reclassified in 2006 as a "dwarf planet".
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What Is Pluto? | NASA


Pluto is a dwarf planet in our solar system. ... pointed toward their central planet; this animation shows that certainly isn't the case with the small moons of Pluto, ...

Why Is Pluto No Longer a Planet? | Wonderopolis


American astronomer Clyde Tombaugh discovered Pluto in 1930. From 1930 until 2006, Pluto sat comfortably beyond Neptune as the ninth planet in our solar  ...

Why is Pluto not a planet? – Greg Laden's Blog - ScienceBlogs


Jul 13, 2015 ... The simplest reason that Pluto is not a planet is that planet experts say so, .... Nor would it in being the first discovered, which it also isn't. ..... doesn't recognize the category anymore — even Pluto was belatedly issued one).