Star Properties and Classifications

Front

What describes stars located in area A?

Back

Bright and Hot

Front

What is the brightness of a star if all stars were the same distance from Earth?

Back

Absolute (magnitude) brightness

Front

What does the color of a star depend on?

Back

Temperature

Front

What are the spectral classes of stars in order?

Back

OBAFGKM

Front

Why does the Sun appear brighter than other stars in the sky?

Back

Because it is Nearer.

Front

What is the term for the brightness of a star as seen from Earth?

Back

Apparent (magnitude) brightness

Front

What is the term for the total amount of energy a star emits?

Back

Luminosity

Front

What is the hottest spectral class of stars?

Back

O class stars

Front

What is the coolest spectral class of stars?

Back

M class stars

Front

What is the relationship between a star's temperature and its color?

Back

Hotter stars appear blue or white, while cooler stars appear red.