HR Diagram

The Hertzsprung-Russell diagram graphs stars' luminosity and ....

• color

• size

• temperature

• distance

The Sun is a ___________ star.

• red giant

• main sequence

• protostar

• white dwarf

Compared to the Sun, Spica is .......

• hotter and brighter

• cooler and brighter

• hotter and dimmer

• cooler and dimmer

Ninety percent of all stars are ______ .

• white dwarfs

• supergiants

• red giants

• main sequence stars

A star's temperature determines its ________.

• size

• color

• name

• health

White Dwarfs are ________ than the Sun.

• cooler

• dimmer

• brighter

• larger

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

• Stars Get larger
• Stars get colder
• Stars get hotter
• Stars get brighter

Which star is the coldest?

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

Which group or  category does our Sun belong to?

• White Dwarfs
• Supergiants
• Main Sequence
• Giants

Which of these stars is hottest?

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