Article: Bye-bye Pluto!(WR NEWS)

Astronomers recently kicked Pluto out of the family of planets. Astronomers are scientist who study the universe beyond Earth.

What is a planet? Scientists finally decided on a definition. They said a planet must be almost round and must orbit the sun in its own path. Pluto's orbit crossed Neptune's path, so scientists named Pluto a dwarf planet. That is the name they gave to a new group of small objects in ...

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