Pluto was Once Thought to Be a Planet

Physical Science / The Physics in Cosmos

Sample Question

Pluto was thought of as Planet X which is the name given to the predicted ninth planet of the solar system since it was discovered by Tombaugh in 1930 until it was declared as a dwarf planet in the year

  • 2006
  • 2012
  • 2008
  • 2000

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Quipper School Philippines Curriculum

Physical Science