Astronomy Review

What type of galaxy do we live in?

• Spiral
• Elliptical
• Irregular
• Coaxial

Where is Earth's position in our galaxy?

• in the center
• on a spiral arm, close to the center
• on a spiral arm, about 2/3 from the center
• on any spiral arm

What's the unit of measurement we use when referring to our galaxies?

• light year
• light day
• miles
• kilometers

Which galaxy type makes up the smallest percentage of galaxies?

• Spiral
• Elliptical
• Irregular
• Coaxial

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular
• Irrational

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular 
• Irrational

Our Galaxy is called the

• Mily Galaxy
• Milky Way Galaxy
• Andromeda Galaxy
• Pinwheel Galaxy

Why won't our sun ever become a black hole?

• It is too massive
• It is too old
• It is too young
• It is too small

What stage comes directly before the "main sequence" in the life cycle of star?

• Cloud of Gas
• Red giant
• Protostar
• Shell of Gas

What is responsible for bringing the particles together when a star is first born?

• Electrostatic Attraction
• Heat Energy
• Cosmic Radiation
• Gravity