1) Complete the following statement. Our solar system is part of the galaxy. A) Vega
B) Solar System
C) Milky Way
D) Spiral Way

2) The speed of light can be used to measure the .
A) time of a planet's rotation
B) distance between objects in space
C) mass of astronomical bodies
D) densities of stars

3) Which list accurately identifies the hierarchy of space from largest to smallest?
A) Universe, solar system, galaxy, planet
B) Galaxy, solar system, universe, planet
C) Galaxy, solar system, universe, moon
D) Universe, galaxy, solar system, moon

4) Which list accurately identifies the hierarchy of space from smallest to largest?
A) Universe, solar system, galaxy, planet
B) Galaxy, solar system, universe, planet
C) Moon, solar system, galaxy, universe
D) Universe, galaxy, solar system, moon

5) Which list accurately identifies the hierarchy of space from largest to smallest?
A) Solar system, galaxy, planet, universe
B) Galaxy, solar system, planet, moon
C) Galaxy, solar system, universe, moon
D) Solar system, universe, galaxy, moon