Skip to main content

All About Stars

SEEING STARS Join TFK for some stargazing. WESTEND61/GETTY IMAGES

Look up at the night sky. If it is clear, you’ll see stars. You might see just one or two. Or you might see stars filling the sky. Let’s learn about them.

Twinkle, Twinkle

SEAN GLADWELL—GETTY IMAGES

Stars are bright balls of hot gas. They burn many millions of miles away from Earth. Did you know that the sun is a star?

Colorful Clouds

NASA

A nebula is a cloud of dust and gases. Some nebulas are exploded explode pw explode AHOLALIKA—GETTY IMAGES to suddenly break apart in a violent way (verb) The soda bottle exploded when I opened it. stars. Some are stars that are still forming.

Shining Stars

NASA/ESA

Stars have different temperatures temperature PW TEMPERATURE CAVAN IMAGES—GETTY IMAGES a measurement that shows how hot or cold something is (noun) The soup is served at a hot temperature. . This makes them different colors. Blue stars are the hottest. Red stars are cooler.

So Many Stars

MARK GARLICK—SCIENCE PHOTO LIBRARY/GETTY IMAGES

Our planet is in the Milky Way galaxy. A galaxy can be made up of billions of stars. There are billions of galaxies in the universe universe pw universe JOHN DAVIS/STOCKTREK IMAGES—GETTY IMAGES all of space and everything in it, including stars, planets, and galaxies (noun) Some scientists study the mysteries of the universe. . Imagine how many stars there must be. There are too many to count!

Did You Know?

SIMON DUBREUIL—GETTY IMAGES

This is an observatory. It houses a telescope. A telescope makes faraway objects look closer. Astronomers use it to see objects in space.

More from Science