8.8A H-R EYNTK

Front

What is the distance of Barnard's Star from the sun?

Back

Barnard's Star is about 5.9 light-years from the sun.

Front

What is the approximate temperature of Barnard's Star?

Back

The approximate temperature of Barnard's Star is 2,800 K.

Front

What spectral class does Barnard's Star belong to?

Back

Barnard's Star belongs to spectral class M.

Front

What type of stars in spectral class M have the highest luminosity?

Back

Supergiants are the type of stars in spectral class M that have the highest luminosity.

Front

How do the characteristics of Star 1 and Star 2 compare if Star 1 is hotter and brighter?

Back

Star 1 is hotter and brighter than Star 2.

Front

What does the Hertzsprung-Russell diagram show?

Back

The Hertzsprung-Russell diagram shows how the brightness, surface temperature, and color of stars are related.

Front

What is an accurate observation about Barnard's Star based on its characteristics?

Back

Barnard's Star is less bright than the sun, has a surface temperature below 3,800 K, and is red.

Front

Which star is most like the sun based on the spectral classes shown?

Back

Star 3 is most like the sun.

Front

What is the spectral class of the hottest stars?

Back

Spectral class O includes the hottest stars.

Front

What is the spectral class of the coolest stars?

Back

Spectral class M includes the coolest stars.