H-R Diagrams

Our sun is yellow. A star colder than our sun would be...

• Red

• Yellow

• White

• Blue

Red stars are the _____________.

• hottest

• coolest

• biggest

• brightest

Tags

NGSS.HS-ESS1-3

In which region of the H-R Diagram would you be likely to find Blue Giants?

• W

• X

• Y

• Z

Tags

NGSS.HS-ESS1-3

In which region of the H-R Diagram would you be likely to find the brightest, reddest stars?

• W

• X

• Y

• The orange dashed line

Tags

NGSS.HS-ESS1-3

A Hertzsprung-Russell (H-R) diagram shows the relationship between ____. 

• apparent magnitude and parallax

• parallax and temperature

• absolute magnitude and apparent magnitude

• temperature and absolute magnitude

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

About 90 percent of stars on the H-R diagram are ____ stars.

• red giant

• main sequence

• luminosity

• supergiants

Use the diagram to answer the question.Using the figure, which is a main-sequence star?

• Zeta Eridani

• Deneb

• Mira

• Sirius B

As you move up the y-axis on the H-R diagram, absolute magnitude __________. 

• decreases

• increases

• remains constant

• does not change

Stars in the middle portion of the graph are said to be in what stage of their lives? 

• red giant

• blue giant

• white dwarf

• main sequence

Instead of luminosity, the HR diagram could also be plotted using what factor of the stars?

• Apparent magnitude

• Absolute magnitude

• Distance

• Color