Why Is the Sky Blue? | NASA Space Place – NASA Science for Kids
2025年1月2日 · Blue light is scattered in all directions by the tiny molecules of air in Earth's atmosphere. Blue is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time. Closer to the horizon, the sky fades to a lighter blue or white.
What Is an Aurora? | NASA Space Place – NASA Science for Kids
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.
Supermoon, Blood Moon, Blue Moon and Harvest Moon
2025年1月2日 · The air molecules from Earth's atmosphere scatter out most of the blue light. The remaining light reflects onto the Moon's surface with a red glow, making the Moon appear red in the night sky. The name "blood moon" is also sometimes used for a Moon that appears reddish because of dust, smoke or haze in the sky.
All About the Sun | NASA Space Place – NASA Science for Kids
2025年1月14日 · This causes streams of light in the sky, called auroras. The Sun’s Neighbors. In our solar system, the closest planet to the Sun is Mercury. Our Sun’s closest star neighbor is called Proxima Centauri. It is approximately 4 light-years away. What does the Sun look like?
The atoms get excited and release bursts of light energy. It's similar to how neon lights work. Auroras are usually red, green, and blue. The red color is from oxygen atoms in the atmosphere. The greens and blues are the result of nitrogen. Sometimes these colors mix and yellow and pink colors will be seen in the sky too. Red Green Blue Yellow Pink
Make a Pastel Aurora! | NASA Space Place – NASA Science for Kids
Frequently there are beautiful light shows in the sky. These lights are called auroras. These displays are caused by energy that comes from the sun. Click here to learn all about how auroras happen. The colors of auroras are the result of atoms in the atmosphere interacting with energy from the sun. The atoms get excited and release bursts of ...
What Is a Galaxy? | NASA Space Place – NASA Science for Kids
2025年1月2日 · When you look up at stars in the night sky, you’re seeing other stars in the Milky Way. If it’s really dark, far away from lights from cities and houses, you can even see the dusty bands of the Milky Way stretch across the sky.
Why Is the Sky Blue? | NASA Space Place – NASA Science for Kids
En seguida nos damos cuenta de que el cielo es de color azul. ¿Pero alguna vez te has preguntado por qué? Muchas otras personas inteligentes, también se lo han preguntado…
Home | NASA Space Place – NASA Science for Kids
2025年1月14日 · What's up in the night sky this month? Check out a summary and skywatching tips from NASA!
All About the Moon | NASA Space Place – NASA Science for Kids
2025年1月14日 · It simply reflects light coming from the Sun. This is the face of the Moon that we see from Earth. This image is based on data from NASA’s Lunar Reconnaissance Orbiter spacecraft.
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