Components of the Universe

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

• Giants
• Main Sequence
• White Dwarfs
• Super Giants

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

• Giants
• Main Sequence
• White Dwarfs
• Super Giants

A collection of dust and gases where stars can form is called a:

• Galaxy
• Nebula
• Black Hole
• Supernova

Our Sun is located near the edge of a _____ ______ galaxy, named the ____________.

• disc shaped, Milky Way
• disc shaped, Solar System
• elliptical shaped, Milky Way
• elliptical shaped, Solar System

Stars are classified on the HR diagram by:

• luminosity & brightness
• temperature & absolute magnitude luminosity
• temperature & apparent magnitude
• temperature & density

Choose the best description of Bernard's star.

• Bernard's star is both cooler and brighter than the sun.
• Bernard's star is both cooler and dimmer than the sun.
• Bernard's star is neither cooler or dimmer than the sun.
• Bernard's star is brighter and hotter than the sun.

Which star has the lowest temperature?

• A
• B
• C
• D

Tags

NGSS.MS-PS3-4

Which star is considered a Main Sequence Star?

• A
• B
• C
• D

Which star has the lowest luminosity?

• A
• B
• C
• D

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

• Stars Get Larger
• Stars get Colder
• Stars get hotter

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4