8.8A HR Diagrams Review

Select all of the following characteristics that describe the stars in region 1:

• Hot

• Bright

• Cool

• Dim

Select all of the following characteristics that describe the stars in region 2:

• Hot

• Bright

• Cool

• Dim

Select all of the following characteristics that describe the stars in region 3:

• Hot

• Bright

• Cool

• Dim

Select all of the following characteristics that describe the stars in region 4:

• Hot

• Bright

• Cool

• Dim

Sirius A appears has the highest apparent magnitude (other than the Sun) in the Milky Way galaxy. Sirius A produces light and rotates on its own axis. It is 8.611 light years from Earth.

Based on this information, Sirius A is a —

• asteroid

• comet

• planet

• star

An HR Diagram is displayed. Which of the following stars on the HR Diagram have a greater surface temperature than the sun, but a lower luminosity? Select TWO correct answers.

• Antares

• Sirius B

• Altair

• Procyon B

Analyze this HR Diagram. Which group of stars is considered to have a lower than average luminosity as well as a higher than average temperature?

• Giants

• Main Sequence

• White Dwarfs

• Supergiants

Analyze this HR Diagram. Which group of stars is considered to have a higher than average luminosity as well as a lower than average temperature?

• Giants

• Main Sequence

• White Dwarfs

• Supergiants

Tags

NGSS.HS-ESS1-3

Which of the following best describes the sun's position in the Milky Way galaxy?

• The sun is a giant yellow star located close to the galactic core.

• The sun is a medium yellow star located approximately 2/3 of the way down one of the galaxy's spiral arms.

• The sun is a dwarf star located at the end of one of the spiral arms.

• The sun is a medium yellow star located one light year from the galactic core.

Tags

NGSS.MS-ESS1-2

Which star has the lowest luminosity?

• A
• B
• C
• D

Tags

NGSS.HS-ESS1-3