A collection of stars, dust, and gas bound together by gravity is...

• Universe
• Solar System
• Planet
• Galaxy

What is a large spherical body that orbits a star?

• Meteorite
• Black hole
• Planet
• Nebula

A large cloud of gas and dust in interstellar space; the predecessor to stars...

• Constellation
• Black hole
• Nebula
• Galaxy

What is the graph that shows the relations between a star's surface temperature and absolute magnitude?

• H-R Diagram
• Star Cluster Map
• Einstein's Diagram
• Newton's Chart of Stars

Space and all the matter and energy in it is...

• Universe
• Galaxy
• Solar System
• Ecosystem

What is a large celestial body that is composed of gas and that emits light?

• Nebula
• Star
• Galaxy
• Planet

Put the star colors in order from hottest to coolest.

• Blue, Red, White, Yellow, Orange, 
• Red, White, Yellow, Orange, Blue
• Blue, White, Yellow, Red, Orange
• Blue, White, Yellow, Orange, Red

A galaxy is a large collection of stars, gas and dust. What is responsible for holding the stars, gas, and dust together in a galaxy?

• heat
• light
• gravity
• friction

What are the the 3 types of galaxies?

• Spiral Galaxies, Regular Galaxies, and Lliptical Galaxies
• Spiral Galaxies, Irregular Galaxies, and Elliptical Galaxies
•  Milky Way, Elliptical Galaxies, and Spiral Galaxies
• Milky Way, Elliptical Galaxies, and Irregular Galaxies

What type of galaxy has no defined pattern or shape?

• Spiral 
• Elliptical
• Irregular
• Constellation