Stars and Galaxies

Front

Coolest colored stars?

Back

Red

Front

A star moving away from the earth has ___________ shift.

Back

Red

Front

A small, hot, extremely dense core left after a star collapses is a

Back

white dwarf

Front

How is energy generated during main sequence?

Back

Hydrogen fuses into helium

Front

A large, bright star whose hot core has used most of its hydrogen is a

Back

giant

Front

What is a galaxy?

Back

stars, dust, and gas bound together by gravity

Front

What type of galaxy is the Milky Way?

Back

spiral

Front

What color are the hottest stars?

Back

White

Front

By analyzing the light that a star emits, astronomers can determine

Back

the composition and temperature of the star

Front

Objects, such as stars, moving toward the observer

Back

show blue shift