The Universe: Study Jams

How many moons are there in our solar system?

• 1

• 265

• 72

• 165

What is larger, a galaxy or a solar system?

• solar system

• galaxy

What is the Milky Way?

• A solar system

• a star

• A universe

• A galaxy

We can see all the stars in our galaxy at night.

• True

• False

Any star that is at the center of a system of planets is called a ___.

• Moon

• Star

• Planet

• Sun

Why do astronomers measure distances in light years?

• because space is so large that the distances are too great to measure in other units

• because miles are only used for distances on earth

• because light years are understood by all astronomers in all languages

• because only light can travel through space

All planets give off light.

• False

• True

Which of the following is NOT a requirement for a planet?

• must be massive enough to form its own orbit

• must have an atmosphere and weather

• must orbit a Sun

• must have enough gravity to form a sphere 

What is the correct order from SMALLEST to BIGGEST?

• solar system, universe, galaxy

• solar system, galaxy, universe

• galaxy, universe, solar system

• universe, galaxy, solar system