H R Diagram

HR Diagram Review

Fun Friday!!!

Multiple Choice

Which star is brighter than the sun?

• Sirius B

• Procyon B

• Van Maanan's Star

• Aldebaran

Multiple Choice

What characteristics are used to classify stars?

• Flammability, weight, and reactivity

• Temperature/color and brightness

• Conductivity, luster, and density

• Malleability, distance, and viscoscity

Multiple Choice

Which star has the lowest temperature?

• A
• B
• C
• D

Multiple Choice

Which is an example of a Main Sequence star?

• Betelgeuse
• our Sun
• Sirius B
• Polaris

Multiple Choice

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

• Luminosity

  (or brightness)

• Temperature

• Star Size

• Distance

Multiple Choice

Look at the H-R diagram. Which star is

sort of the coolest, dimmest, and red?

• Betelguse

• Sirius B

• Procyon B

• Barnard's star

Multiple Choice

Blue stars are the _____________.

• hottest
• coolest
• smallest

Multiple Choice

Red stars are the _____________.

• hottest

• coolest

• biggest

• brightest

Multiple Choice

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

• True
• False