What Are the Northern Lights?
What Are the Northern Lights? People in northern countries sometimes see colorful displays of flickering, glowing light in the night sky. This colored glow is the...
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What Are Sunspots?
Sunspots are dark, relatively cool spots on the surface of the sun in a region called the photosphere. Sunspots have temperatures of about 3,800 degrees K. They can be...
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Why Does the Sun Look Red at Sunset?
Why Does the Sun Look Red at Sunset? Sunlight, before it reaches our eyes, must pass through the Earth’s atmosphere. The dust and water particles in the air...
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What Makes the Wind Blow?
What Makes the Wind Blow? Wind is air in motion. Wind is caused mainly by the uneven heating of the air around the earth by the sun. Since the earth’s surface is made...
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Could Man Made Satellites Cause an Eclipse?
Could Man Made Satellites Cause an Eclipse? The planets and the moons have long, tapering shadows pointing away from the sun and the biggest of them have the biggest...
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