- Why Is the Sky Blue? | NASA Space Place – NASA Science for Kids
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
- Why | NASA Space Place – NASA Science for Kids
explore Why Does the Sun Burn Us? explore Why Do We Care About Water on Mars? Where there are signs of water, there might also be signs of life! explore Why Do We Send Robots To Space? We can send robots to explore space without having to worry so much about their safety Learn more! do What Causes the Seasons? explore Lunar Eclipses and Solar
- All About Mars | NASA Space Place – NASA Science for Kids
Mars is a cold desert world The average temperature on Mars is minus 85 degrees Fahrenheit – way below freezing It is half the size of Earth Mars is sometimes called the Red Planet It's red because of rusty iron in the ground Like Earth, Mars has seasons, polar ice caps, volcanoes, canyons, and weather It has a very thin atmosphere made mostly of carbon dioxide, nitrogen, and argon
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