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

This is just one of our 120,510 study questions in Quipper School.

Quipper School Philippines Curriculum

Physical Science

Topics