HR diagrams, Star LifeCycle, & Galaxies

Front

What category does our Sun belong to?

Back

Main Sequence

Front

Why does the sun look so big to us?

Back

It is the closest star to Earth.

Front

What type of star is Betelgeuse?

Back

Supergiants

Front

Are all stars the same color and size?

Back

False

Front

How bright a star looks to observers on Earth is its...?

Back

apparent brightness

Front

What is the term for the brightness of a star measured from a standard distance?

Back

absolute brightness

Front

What is the life cycle stage of a star after it exhausts its hydrogen fuel?

Back

Red Giant

Front

What is the final stage of a massive star's life cycle?

Back

Black Hole or Neutron Star

Front

What is the main sequence phase of a star?

Back

The stable phase where a star fuses hydrogen into helium.

Front

What is the Hertzsprung-Russell diagram used for?

Back

To classify stars based on their luminosity and temperature.