Space Science Semester 1 Review

Front

What year was Pluto discovered?

Back

Pluto was discovered in 1930.

Front

What are the relatively small planets primarily made out of silicate minerals?

Back

Terrestrial planets.

Front

What are asteroids remnants of?

Back

Asteroids are small rocky/metallic leftovers from the beginning of the solar system.

Front

Which planet exhibits 3:2 spin-orbit coupling?

Back

Mercury exhibits 3:2 spin-orbit coupling.

Front

What do the outer planets have a composition similar to?

Back

The outer planets have a composition similar to the Sun.

Front

Define terrestrial planets.

Back

Terrestrial planets are rocky planets that are primarily made of silicate minerals.

Front

What is the asteroid belt?

Back

The asteroid belt is a region in space between the orbits of Mars and Jupiter where most asteroids are found.

Front

What are gas giants?

Back

Gas giants are large planets that are primarily composed of hydrogen and helium.

Front

What is the Kuiper belt?

Back

The Kuiper belt is a region of the solar system beyond Neptune, populated with small icy bodies.

Front

What is the difference between terrestrial and gas giant planets?

Back

Terrestrial planets are rocky and smaller, while gas giants are larger and composed mainly of gases.