Why Is the Sky Blue? The Short Answer: Sunlight reaches Earth's atmosphere and is scattered in all directions by all the gases and particles in the air. Blue light is scattered more than the other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.

NASA’s award-winning Space Place website engages upper-elementary-aged children in space and Earth science through interactive games, hands-on activities, fun articles and short videos. With material in both English and Spanish and numerous resources for kids, parents and teachers, Space Place has something for everyone.

Turn an old CD into Saturn's rings. If you can find an unwanted CD or DVD, you can make your own jewel in the sky! Saturn is almost everybody's favorite "alien" planet. You can make a lovely model of Saturn and her rings. You can hang your model Saturn from the ceiling and watch it gracefully turn with the air currents. Or your Saturn will make a beautiful holiday decoration. For each Saturn ...

Learn the answer and impress your friends! ¿El cielo también es azul en otros planetas? ¡Todo depende de lo que haya en la atmósfera! Por ejemplo, Marte tiene una atmósfera muy delgada hecha principalmente de dióxido de carbono y llena de partículas finas de polvo. Estas partículas finas dispersan la luz de manera diferente a los gases y partículas en la atmósfera de la Tierra. Las ...

Credit: NASA/JPL-Caltech Explore the "Magic Windows" of the electromagnetic spectrum below! Radio Waves Credit: NASA/JPL-Caltech Radio waves are very long and not very energetic. Radio waves can be from about the length of a football field up to 100 kilometers (60 miles) and more. Here we see a quasar (for "quasi-stellar object") through the Magic Radio Window. Quasars look a bit like stars ...

Oxygen gives off green and red light. Nitrogen glows blue and purple. These green bands of light in the winter sky above Alaska are an aurora borealis. This is the name for an aurora in the Northern Hemisphere. Credit: Sarah Histand Do other planets get auroras? They sure do! Auroras are not just something that happen on Earth.

Astronomy Clubs: Partner With NASA Learn about how your club can join NASA's Night Sky Network! Write your own zany adventure story! Write your own zany adventure story! play Printable Space Valentines Share these with your friends and family! do NASA Pumpkin Stencils Paint pumpkins with space and Earth science designs do Amazing Space

Why Are Planets Round? And how round are they? explore Why Is the Sky Blue? Learn the answer and impress your friends! explore Why Does the Moon Have Craters? It's not because the Moon gets hit by meteors more often... explore Why is sixteen so sweet? What kind of math would creatures with 16 fingers invent? explore Why did it take so long to... It wasn't THAT hard to see... Why does Saturn ...

There are a few different types of unusual full moon types, which include blood moons, supermoons, blue moons, and harvest moons, and others. When you look up at the night sky, you might notice that the Moon looks a little different each night. This is due to our Moon's many phases and types.

The last 1% is made of argon, water vapor, and carbon dioxide. When you feel the wind on your face, see clouds in the sky, and watch a bird flap its wings in flight, you’re experiencing the troposphere. It’s a pretty nice layer to call home. Visit other layers in Earth's atmosphere. Go out to the stratosphere. article last ...