HR Diagram

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

• True
• False

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

• Stars Get larger
• Stars get colder
• Stars get hotter
• Stars get brighter

Which star is the coldest?

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

Which group or  category does our Sun belong to?

• White Dwarfs
• Supergiants
• Main Sequence
• Giants

Which of these stars is hottest?

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

Red stars are the _____________.

• hottest
• coolest
• biggest

Blue stars are the _____________.

• hottest
• coolest
• smallest

Stars produce

• Heat 
• light 
• both heat and light 

What is found on the x axis of an H-R diagram?

• Luminosity
  (or brightness)
• Temperature
• Star Size
• Distance

Which star has the lowest temperature?

• A
• B
• C
• D