Pop Quiz on the Universe

The distance light travels in one year.

• Light Year
• Length
• Space Tools
• Telescope

A luminous sphere of plasma held together by its own gravity.

• Sun
• Star
• Nebula
• Galaxy

Is all of time and space and its contents. It includes planets, moons, minor planets, stars, galaxies, and other celestial bodies.  

• Galaxy
• Space
• Universe
• Solar System

 A theory in astronomy: the universe originated billions of years ago in an explosion from a single point of nearly infinite energy density

• SPACE THEORY
• BIG BANG THEORY
• GALAXY FORMATION
• UNIVERSE THEORY

A CELESTRIAL BODY MOVING IN AN ELLIPTICAL ORBIT AROUND A STAR.

• ROCK
• MOON
• PLANETS
• ASTEROIDS

A ROCKY BODY COVERED WITH CRATERS THAT ORBITS AROUND PLANETS.

• MOON
• ASTEROIDS
• PLANETS 
• METEORS

CHUNKS OF ROCK FROM SPACE THAT BURNS UP WHEN ENTERING A PLANET'S ATMOSPHERE

• MOON
• ASTEROIDS
• PLANETS 
• METEORS

spin or move or cause to move in a circle around an axis or center.

• ORBIT
• ROTATE
• REVOLVE
• ELLIPTICAL

Are made up of gas, dust, and billions of stars and have different shapes 

• Universe
• Nebula
• Galaxy
• Star

Which of the following orbits the sun?

• asteroids
• comets
• planets
• all of the above