Stars and the HR Diagram

Front

The HR Diagram shows a relationship of a star's surface temperature and its

Back

absolute magnitude

Front

In ______________ ______________ stars, hydrogen atoms fuse into helium and energy is released in a process called fusion.

Back

main sequence

Front

A small, hot star resulting from an average mass star is called a ----- .

Back

white dwarf

Front

The best description of a super giant star would be -

Back

cool and bright

Front

What color are the hottest stars?

Back

blue

Front

________________ waves are the largest on the electromagnetic spectrum. For this reason they need ______________ satellite dishes to collect them.

Back

radio, very large

Front

Our sun is one of billions of stars in the Milky Way galaxy; which is a _________________________ galaxy.

Back

spiral

Front

Galaxies are collections of gas, dust, and billions of stars held together by _________________.

Back

gravity

Front

Energy is created in the core when two _____________ atoms join together to form a ______________ atom.

Back

hydrogen, helium

Front

What is the shape of our galaxy?

Back

spiral