Understanding the H-R Diagram

Which region of the H-R Diagram contains stars with the highest luminosity?

• Main Sequence

• Giants

• Supergiants

• White Dwarfs

Match the following regions of the H-R Diagram with the type of stars found there.

• Lower left corner

• D) White Dwarfs

• Upper right corner

• B) Giants

• Diagonal band from upper left to lower right

• A) Supergiants

• Upper middle/right region

• C) Main Sequence

Fill in the blank: Stars in the Main Sequence have a _______ lifetime compared to Supergiants.

• shorter

• longer

• similar

Tags

NGSS.HS-ESS1-3

What is the surface temperature range for stars classified as 'O' on the H-R Diagram?

• 30,000 K and above

• 10,000 K to 30,000 K

• 6,000 K to 10,000 K

• 3,000 K to 6,000 K

Which star is located in the Supergiants region of the H-R Diagram?

• Sirius

• Betelgeuse

• Procyon B

• Sun

Tags

NGSS.HS-ESS1-3

Fill in the blank: The color of stars in the 'M' spectral class is _______.

• A) Blue

• B) White

• C) Yellow

• D) Red

(a)   is a star that is part of the Main Sequence.

• Deneb
• Rigel
• Sun
• Betelgeuse

Tags

NGSS.HS-ESS1-1

Fill in the blank: Stars with a surface temperature of 10,000 K are classified as spectral class _______.

• A) O

• B) B

• C) A

• D) F

Match the following types of stars with their luminosity compared to the Sun.

• Supergiants

• Lower

• White Dwarfs

• Similar

• Main Sequence stars like the Sun

• Higher

Which spectral class corresponds to stars with a blue color?

• O

• A

• F

• M

Tags

NGSS.HS-ESS1-3