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Pluto is no longer considered a planet. It once was considered the smallest planet on our universe. Pluto is smaller than seven of the solar system's moons - our Moon, Io, Europa, Ganymede, Callisto, Titan and Triton.
Project Ideas:
- Build a scale model of our solar system.
- Explain the forces at work when the Pluto orbits the sun. What keeps it in place? Is
- it moving further away? Is Pluto's orbit different?
- Study pictures. Why aren't there more pictures of Pluto?
- Why is Pluto no longer considered a planet?
- Why do some scientists feel Pluto shouldn't be considered a planet?
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