Universe Test 1

Front

What is a moon?

Back

A natural satellite that orbits a planet.

Front

Order these from LARGEST to SMALLEST: universe, galaxy, solar system, planet.

Back

universe -- galaxy -- solar system -- planet.

Front

What is true about moons?

Back

They are usually solid and rocky.

Front

What happens to meteorites?

Back

They hit the ground.

Front

What is a meteor when it burns in the atmosphere?

Back

A shooting star.

Front

What is a galaxy?

Back

A large system of stars, gas, and dust bound together by gravity.

Front

What is the solar system?

Back

A collection of planets and other celestial bodies that orbit a star, like the Sun.

Front

What is a planet?

Back

A celestial body that orbits a star and is large enough to be rounded by its own gravity.

Front

What is a comet?

Back

A small icy body that, when passing close to the sun, heats up and begins to release gases, forming a tail.

Front

What is an asteroid?

Back

A small rocky body that orbits the sun, primarily found in the asteroid belt between Mars and Jupiter.