Pretest - Universe

Front

Stage of high-mass star: collapsing and outer layer ejected

Back

Supernova

Front

Hertzsprung-Russell Diagram features

Back

Temperature and Brightness

Front

Objects representing Earth and Sun in model

Back

Bead for Earth, Beach ball for Sun: Size and mass difference

Front

Hottest stars

Back

Blue

Front

Higher absolute magnitude?

Back

Star B

Front

Sun and Moon appear same size from Earth

Back

Moon is much closer to Earth than the Sun

Front

Majority of stars:

Back

Hydrogen and Helium