2024 H-R Diagram

What does the H-R Diagram primarily classify?

• Planets

• Stars

• Galaxies

• Moons

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

Which type of star is located at the top right of the H-R Diagram?

• White Dwarfs

• Main Sequence

• Supergiants

• Giants

What is the surface temperature range for Main Sequence stars?

• 30,000 - 10,000 K

• 10,000 - 6,000 K

• 6,000 - 3,000 K

• 3,000 - 1,000 K

Which star is an example of a White Dwarf?

• A) Betelgeuse

• B) Sirius B

• C) Rigel

• D) Deneb

What is the color of stars with a surface temperature of 30,000 K?

• Red

• Yellow

• Blue

• White

Tags

NGSS.HS-PS4-1

Which star has a lifetime of 10^10 years?

• A) Betelgeuse

• B) Sun

• C) Deneb

• D) Rigel

What is the luminosity of a star like Procyon B?

• 10^6 solar units

• 10^3 solar units

• 1 solar unit

• 10^-2 solar units

Which spectral class corresponds to the color red?

• O

• B

• G

• M

What is the relationship between mass and position on the H-R Diagram?

• Mass decreases upwards

• Mass increases upwards

• Mass is constant

• Mass decreases downwards

Which of the following stars is a Giant?

• Aldebaran

• Sirius B

• Procyon B

• Betelgeuse