Observing the Stars

Front

To look up at the stars is called__.

Back

gazing

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 is the star at the __ of our solar system.

Back

center

Front

The Sun supplies __ and __ to Earth.

Back

light heat

Front

The Sun's enormous __ keeps the solar system in orbit.

Back

gravity

Front

A star is a giant ball of __ that is found in the center of a solar system.

Back

gas

Front

The __ brightness of a star is how it is perceived by someone on Earth.

Back

apparent

Front

The amount of energy given off by light

Back

luminosity