HR-Diagram

Front

What happens to stars as we move to the left on the HR diagram?

Back

Stars get hotter.

Front

Are giants considered hotter than white dwarfs?

Back

False.

Front

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

Back

Hot, bright main sequence stars have more mass than cool, faint main sequence stars.

Front

What changes as you move from the bottom to the top of the HR diagram?

Back

Luminosity or brightness changes.

Front

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

Back

Tau Ceti.

Front

What is the main sequence in the HR diagram?

Back

A continuous and distinctive band of stars that appears on plots of stellar color versus brightness.

Front

What does the vertical axis of the HR diagram represent?

Back

Luminosity or absolute brightness of stars.

Front

What does the horizontal axis of the HR diagram represent?

Back

Surface temperature or spectral class of stars.

Front

What type of stars are found in the upper right corner of the HR diagram?

Back

Red giants.

Front

What type of stars are found in the lower left corner of the HR diagram?

Back

White dwarfs.