9 Facts About Pluto You Need to Know

Pluto and Charon

Pluto and Charon

July 16, 2015 from Time

  1. Pluto was first discovered by a young research assistant in 1930
  2. An 11-year-old girl gave Pluto its name
  3. Pluto is smaller than Earth’s moon but larger than previously thought
  4. Disney's Pluto the dog was named after the former planet
  5. New Horizons, the first vessel devoted to studying Pluto’s environment, is the size of a grand piano
  6. Pluto has a heart shape on its surface
  7. Pluto was demoted to dwarf planet status in 2006 (it's part of the Kuiper Belt) - but not for the commonly believed reason (size)
  8. Scientists discovered the Solar System’s third zone because of Pluto
  9. Pluto is just the tip of the iceberg
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