Unit 3: Solar System and Universe Review

A tool used to see more detail in the sky

Choose the inner planet

All of the planets in our Solar System revolve

The solar system is located about two-thirds of the way from the center of the Milky Way.

Stars are grouped by their colors, brightness, and size.

Name that planet!

Which one is this?

The inner planets are very dense and rocky. They have thin atmospheres and small diameters but large solid cores.

The Earth revolves once every

Comets have long orbits around the sun.

What is found between the inner and outer planets?

How many kinds of galaxies are there?

Which phrase accurately describes an elliptical galaxy?

The inner planets are made up of

Name this galaxy!

The outer planets, also known as the gas giants, have large solid surfaces and cores.

Meteroids that reach Earth's surface are called _________.

Pluto is a(n)

Another word for what happens during rotation is

Which set of planets are made up mostly of gas?

Most meteoroids burn up in Earth’s atmosphere causing a streak of light called a ____________.

Stars, which appear as points of light in the night sky, are in reality enormous spheres of hot, glowing gases.

Which type of galaxy is brightest in the center?

Orange stars are ______________ than blue stars.

Why do stars look so small from Earth?

What is found between the inner and outer planets?

Which galaxy does not have any particular shape?

Blue stars are the

Name this galaxy!

Name this galaxy!

Which of these is NOT a type of galaxy?

Neptune’s Great Dark Spot is a ________________ about the size of Earth.

Name this galaxy!

Choose the outer planet

One revolution of the Earth gives us

The solar system is made up of the sun and all of the objects that revolve around it.

Which planet is this?

A galaxy is a large group of stars.

Outer planets

The sun is the largest star.

What is the difference between a barred sprial galaxy and a normal spiral galaxy?

Another way to describe revolution is

The solar system is made up of the sun and all of the objects that revolve around it.

Asteroids and planets both orbit the sun, but an asteroid is much larger than a planet.

One rotation of Earth takes 24 hours and gives us