Review for upcoming Astronomy Assessment

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

• Nebula
• Star
• Galaxy
• Planet

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

• Universe
• Solar System
• Planet
• Galaxy

The distance that light travels in one year...

• Light year
• Quantumyear
• Stellar-year
• 1 million kilometers

In the diagram given, what happens as we move to the left?

• Stars Get Larger
• Stars get Colder
• Stars get hotter

Which star is the coldest?

• Yellow Star
• Red Star
• Orange Star
• Blue Star

As a whole, Giants are considered hotter than White Dwarfs.

• True
• False

Which of these puts the main parts of an average star's life cycle in the correct order?

• protostar> 
  main sequence>
  red giant >
  white dwarf
• protostar >
  main sequence> 
  white dwarf> 
  red giant
• main sequence> 
  protostar> 
  white dwarf> 
  red giant
• protostar> 
  red giant >
  main sequence> 
  white dwarf

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

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

What are the three things that can be left behind after a stars dies?

• Planetary nebula, black hole, white dwarf 
• Plasma circle, white dwarf, black hole
• White dwarf, black hole, neutron star
• White hole, brown dwarf, asteroid.

What is A super giant 

• The guy from briscoe
• a very large star that is even brighter than a giant, often despite being relatively cool
• a temperature scale designed so that zero degrees K is defined as absolute zero