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Argumentation/Cause and Effect. Why Pluto went from Planet to Dwarf Planet. (Cause: IAU convened to decide definition of planet; Effect: Pluto is no longer considered a planet)

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The definition of a planet, and why Pluto is not one'a full-fledged planet is an object that orbits the sun and is large enough to have become round due to the force of its own gravity. In addition, a planet has to dominate the neighborhood around its orbit. '

Planet Waves ~ The Very Definition of Tyranny

from Business Insider

NASA just released 1,035 new images of Mars — here are some of the best

Mars definitely deserves its Red Planet nickname. But scientists use such a range of photographing techniques that the planet can end up a rainbow of colors.

from Business Insider

NASA just released 1,035 new images of Mars — here are some of the best

Mars definitely deserves its Red Planet nickname. But scientists use such a range of photographing techniques that the planet can end up a rainbow of colors.

from Business Insider

NASA just released 1,035 new images of Mars — here are some of the best

Mars definitely deserves its Red Planet nickname. But scientists use such a range of photographing techniques that the planet can end up a rainbow of colors.

from Business Insider

NASA just released 1,035 new images of Mars — here are some of the best

Mars definitely deserves its Red Planet nickname. But scientists use such a range of photographing techniques that the planet can end up a rainbow of colors.

from Business Insider

NASA just released 1,035 new images of Mars — here are some of the best

Mars definitely deserves its Red Planet nickname. But scientists use such a range of photographing techniques that the planet can end up a rainbow of colors.