Minor Members of the Solar System

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Multiple Choice

Meteors do not enter Earth's atmosphere.

• True

• False

Multiple Choice

Meteors are helpful to scientists because ____

• they have no value to scientists and can be discarded quickly

• many were formed in the early solar system and can give information about that time

• they are rare and can be sold for money

• they are the only reason to use a telescope

Multiple Choice

What is NOT a characteristic of a dwarf planet?

• Has cleared the area of its orbit of smaller objects

• Is big enough to be roughly spherical due to gravity

• Orbits a star

• All of these

Multiple Choice

Why was Pluto thought to be a planet when it was first observed through a telescope in 1930?

• Pluto and its moon, Charon, appeared as one much larger object

• Pluto was larger, but it has been struck by so many meteorites that it's gotten smaller

• Pluto was thought to be spherical but it was found not to be.

• Pluto was found to be a star

Multiple Choice

Which is the largest dwarf planet?

• Pluto

• Haumea

• Eris

• Ceres