characteristics of the universe

Front

What is the order of stars from coolest to hottest?

Back

Red, Yellow, White, Blue

Front

The color of a star will tell you its _____________.

Back

temperature

Front

Red stars are the _____________.

Back

coolest

Front

What is a light year?

Back

The distance that light travels in 1 year.

Front

What happens to stars as we move to the left on the Hertzsprung-Russell diagram?

Back

Stars get hotter.

Front

What is the hottest color of a star?

Back

Blue

Front

What is the coolest color of a star?

Back

Red

Front

What does a star's brightness depend on?

Back

Its distance from Earth and its intrinsic luminosity.

Front

What is the main component of stars?

Back

Hydrogen.

Front

What is the life cycle of a star?

Back

Birth (nebula), main sequence, red giant, supernova, neutron star or black hole.