Space: Learning Cycle 1

True or False: A galaxy is bigger than the universe.

• true
• false

All of space and everything in it

• galaxy
• the Sun
• universe
• Solar System

We live in the ___________ galaxy.

• Andromeda
• M42
• Milky Way 
• M81

Which hierarchy is correct, from larget to smallest?

• universe, solar system, galaxy, planet, star
• universe, star, planet, solar system, galaxy
• galaxy, universe, solar system, planet, star
• universe, galaxy, solar system, planet, star

Light year is used by scientist to measure what?

• Distance
• Time
• Energy

Scientist use Light years to measure objects in space rather than units such as Miles or Kilometers because of how massive the Galaxy and Universe is.

• True
• False

Fill in the missing hierarchy of the universe.
Universe,____________, Solar System,__________, planets

• Black holes, white dwarfs
• Stars, Galaxies
• Galaxies, Stars
• Sun, Asteroid Belt

What type of galaxy is this?

• Regular
• Irregular
• Spiral
• Elliptical

The three types of galaxies are irregular,  elliptical and spiral.

• true
• false

If the distance between two planets is 10 light years apart,  how long will it take light to travel between the two planets?

• 150 years
• 10 years