Star Classification

Which statement describes the general relationship between the temperature and the luminosity of main sequence stars?

• As temperature decreases, luminosity increases

• As temperature decreases, luminosity remains the same.

• As temperature increases, luminosity increases.

• As temperature increases, luminosity remains the same.

The best description of a red giant star would be -

• hot and bright

• hot and dim

• average brightness and temp

• cool and bright

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

• Stars Get Larger

• Stars get Colder

• Stars get Hotter

• Stars get Brighter

The temperature of a star is best determined by its color. What is the Coolest Star?

• Red

• Blue

• White

• Yellow

Which star is the hottest?

• Betelguese

• Rigel

• The Sun

• Aldebaran

What is the color and spectral class of our Sun?

• blue, Class O

• yellow, class G

• orange, class K

• red, class M

Which letter corresponds to the main sequence?

• A

• B

• C

• D

• E

Tags

NGSS.HS-ESS1-1

Which letter corresponds to the white dwarfs?

• A

• B

• C

• D

• E

Tags

NGSS.HS-ESS1-3

The sun is best described as -

• A hot and luminous main sequence star

• A medium main sequence star

• A cool and dim main sequence star

• A cool and bright main sequence star

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

In comparison to the Sun, Betelgeuse is -

• Brighter and hotter

• Dimmer and hotter

• Brighter and cooler

• Dimmer and cooler