The discovery of _________ prompted astronomers to reconsider whether Pluto should really be called a planet...

Question

Question

The discovery of _________ prompted astronomers to reconsider whether Pluto should really be called a planet

A. Eris

B. The Oort Cloud

C. The Asteroid Ida

D. Pluto's moon

science physics

Answer 1

Answer #1

In 2005, Eris a dwarf planet was discovered.

The discovery of Eris prompted astronomers to reconsider whether Pluto should really be called a planet

Answer is

A. Eris

Answer 2

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