sun galaxy universe game2

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

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

The category that contains the most stars is...

• Main Sequence
• Supergiants
• Giants

As a whole, Giants are considered hotter than White Dwarfs.

• True
• False

Red stars are the _____________.

• hottest
• coolest
• biggest
• brightest

Look at the H-R diagram. Which star is
sort of cool, dim (not too much light), and red?

• Betelguse
• Sirius B
• Procyon B
• Barnard's star

Which star has the lowest temperature?

• A
• B
• C
• D

As you move from the bottom to the top of the H R diagram the __________ changes.

• Temperature
• Luminosity or Brightness

How does the mass of a hot, bright main sequence star compare to a cool, faint main sequence star?

• They have more mass

• They have the same mass

• They have less mass

Using the HR diagram, choose the color of Zeta Eridani

• blue

• white

• yellow

• red

Which star is hotter than Deneb

• Procyon

• Sun

• Regel

• Banard's Star