HR Diagram Practice

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

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

Which star is the coldest?

• Yellow Star
• Red Star
• Orange Star
• Blue Star

Red stars are the _____________.

• hottest
• coolest
• biggest

Ninety percent of all stars are ______ .

• white dwarfs

• supergiants

• red giants

• main sequence stars

Tags

NGSS.HS-ESS1-3

Put the stars in the correct order from coolest to hottest.

• Orange

• White

• Yellow

• Blue

• Red

According to this HR Diagram, which stars listed below are brighter than the sun?

• Rigel

• Alpha Centauri B

• Sirius B

• Procyon

According to this HR Diagram, which star listed below is the coldest?

• Rigel

• Deneb

• Mira

• The Sun

According to this HR Diagram, how many stars are hotter than spica?

• 1

• 5

• 13

• 27

Which star is considered a main sequence star?

• Vega

• Betelgeuse

• Pollux

• Van Maanan's Star

Which star is brighter than Alpha Centauri B, but dimmer than the sun?

• Pollux

• Spica

• Tau Ceti

• Mira