Scale of the Universe

Front

The sun and everything that revolves around it.

Back

solar system

Front

The star at the center of our solar system.

Back

Sun

Front

A large body made of gas or rock that orbits around a star.

Back

planet

Front

A rocky body that orbits around a planet.

Back

moon

Front

Why does the sun appear to be the largest star in the sky?

Back

It is the closest star to earth

Front

Why do planets orbit the sun (and not float around in space)?

Back

the sun's gravity keeps them in place

Front

Galaxy is a collection of

Back

billions of stars

Front

The galaxy we are a part of is called:

Back

Milky Way

Front

Order from smallest to largest: universe, solar system, galaxy

Back

solar system, galaxy, universe

Front

Millions of pieces of rocky material of various sizes orbit the Sun between the orbits of Mars and Jupiter. These objects are known as -

Back

Asteroids