Unit 4 - Solar System

Front

more distance = __________ gravitational pull

Back

less

Front

the outer planets are called _____ ___________.

Back

gas giants

Front

What is step one of the formation of the solar system?

Back

gravity caused the solar nebula to collapse inward

Front

What is a meteor?

Back

pieces of asteroids that are burning up in Earth's atmosphere

Front

What is a comet?

Back

small, rocky and icy objects that orbit the sun

Front

What is the main component of the solar system?

Back

The Sun

Front

What are the inner planets known for?

Back

They are rocky and terrestrial.

Front

What is the Kuiper Belt?

Back

A region of the solar system beyond Neptune, filled with small icy bodies.

Front

What is the Oort Cloud?

Back

A theoretical cloud of icy objects surrounding the solar system.

Front

What causes the seasons on Earth?

Back

The tilt of Earth's axis as it orbits the Sun.