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The Hardest Pluto Test You'll Take Today

You bet Uranus that you'll nail this.

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  1. KCHANDE / ThinkStock
    Correct!
    Wrong!

    The International Astronomical Union demoted Pluto from its planet status back in 2006. Today it's considered a dwarf planet, which is a rocky or icy body that it orbits the sun. Unlike planets, dwarf planets are unable to clear objects out of their orbital paths, though the definition has been a bit controversial.

  2. ChrisGorgio / ThinkStock
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    Wrong!

    Pluto is a bit wonky: Its orbit is shaped like more of an oval than other planets' more rotund trajectories. It's also tilted 17 degrees above the plane where the eight planets orbit.

    Tap to play GIF Tap to play GIF
    Via en.wikipedia.org
  3. PaulFleet / ThinkStock
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    Wrong!

    Just beyond Neptune's orbit, the Kuiper Belt (pronounced KY-per) is a doughnut-shaped home to icy celestial objects like Pluto and other dwarf planets. The Oort Cloud is even further, and Andromeda is a neighboring galaxy.

  4. Jon Feingersh / ThinkStock
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    An astronomer discovered Pluto in 1930, but an 11-year-old girl from England named it.

  5. NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute / Via solarsystem.nasa.gov
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    Pluto has five known moons: Charon, Hydra, Nix, Styx, and Kerberos. Charon is so close to Pluto that they're sometimes considered a double-planet system.

    NASA / Via solarsystem.nasa.gov
  6. Avosb / Thinkstock
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    Pluto's surface area is 16.7 million square kilometers (sq km), which is closest to Russia's 17.1 million sq km. That's about 3% the surface area of Earth! If you're curious, Texas is around 700,000 sq km, and the moon comes in at about 38 million sq km.

  7. y_seki / Thinkstock
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    Gravity on Pluto is about 7% that on Earth, so you'd weigh about 7 pounds.

  8. Stocktrek Images/ Thinkstock
    Correct!
    Wrong!

    A celestial body farther out than Neptune that orbits the sun is called a plutoid (full definition here), and yes, Pluto is one of them!

  9. Rasica / Thinkstock
    Correct!
    Wrong!

    Nope, not even once. Pluto's orbital period is about 248 Earth years. It was discovered in 1930 and demoted a mere 76 years later. (The Price is Right sad trombone here.)

The Hardest Pluto Test You'll Take Today

You're a resilient space explorer!

Some of the questions may have tripped you up, but who gives a flying poo. When you're in space, it's not the pop quiz that matters: It's how you handle the final frontier's minefield of black holes and mystery creatures. Who knows, maybe you'll even find a worm hole and end up in an alternate dimension where Pluto is still clinging to its title and ice cream is a vegetable. At least now you can ace that Pluto pub trivia question when it comes up.

You're a resilient space explorer! Tap to play GIF Tap to play GIF
Via tumblr.com
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You're a space enthusiast!

Whether you believe Pluto is a planet or was rightfully demoted, you're a lean, mean space-knowledge machine. You're not afraid to stick your head out the spaceship and feel the cool breeze of space travel, even if it means getting some space bugs in your face while in warp speed. To you, planets or plutoids are trivial compared to the majesty of the universe, which you like getting lost in sometimes because it makes problems feel smaller — or to just feel that sweet caress of the cosmos.

You're a space enthusiast! Tap to play GIF Tap to play GIF
Via themetapicture.com
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You are a space cadet!

You know your way around the universe, which will come in extremely handy if an apocalypse strikes. Whether it was your exposure to The Hitchhiker's Guide to the Galaxy or your natural absorption of knowledge like a galactic sponge, you slayed that quiz like a cake cut with a sword.

You are a space cadet! Tap to play GIF Tap to play GIF
Via ksushka-grushka.livejournal.com
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