Science 5.12: Observing Stars

Front

The apparent __ is how a star looks from Earth.

Back

brightness

Front

Our sun is a __- sized star.

Back

medium

Front

Stars that are far away appear __ even though they might be brighter than our own Sun.

Back

dimmer

Front

The Sun supplies __ and __ to Earth.

Back

light and heat

Front

True or False
The Sun is the biggest star in the sky.

Back

False

Front

Why do other stars appear so much smaller than the sun?

Back

They are so far away.

Front

What are stars?

Back

Hot exploding balls of gas

Front

The only objects in our Universe that produce (make) and emit (give off) their own light are _____?

Back

stars

Front

Which measurement allows astronomers to compare the brightness of stars? Options: parallax, red shift, absolute brightness, apparent brightness

Back

absolute brightness

Front

Because the Earth is 93 million miles from the Sun, the light from this star takes about _____ to reach us.

Back

8 minutes