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Posts tagged atmosphere

November 13, 2007

 

Arctic at sunset

Clouds Shining in the Night

If you ever visit the Arctic, you might see some really cool, luminescent clouds high up in the atmosphere. Scientists call them night shining clouds.

August 22, 2007

 

Beach in afternoon

Global Sunscreen

Interested in a stock tip? Invest in companies that make sunscreen. Why? Because atmospheric aerosol levels are decreasing.

March 26, 2007

 

a view of the Pacific Ocean from space

Phytoplankton, El Niño, and Global Warming

How does such a tiny organism do so much to help reduce global warming?

April 11, 2006

 

snowy_forest

A World without Snow

According to a climate simulation by researchers at the University of Wisconsin, a snowless world would be both warmer and colder. Here's why.

March 7, 2006

 

winter_ocean

Thunder Snow

Why is thunder so much more likely in summer than in winter?

January 2, 2006

 

Zoom!

You’re out on a clear, starry night with your best friend, looking for shooting stars. Look, there’s one, your friend shouts, but by the time you look, it’s gone. There’s another, she cries. Too late, you missed it. Then one comes along that seems to just amble across the sky, nice and slow. Why is it that some shooting stars are so fast and others are much slower? Learn more on this Moment of Science.

March 17, 2005

 

Moon Envy

Why does earth only have one moon, while other planets have many? Jupiter alone has nearly 40 moons! Learn more on this Moment of Science.

December 13, 2004

 

The Mystery of Photorespiration

Learn about the mystery of photorespiration on this Moment of Science.

November 19, 2004

 

A Fresh Breath of Methane

"A Fresh Breath of Methane" on this Moment of Science.

July 22, 2004

 

Cosmic Radiation

Did you know that cosmic radiation is up to one-hundred times greater at cruising altitude than on the ground? Learn more on this Moment of Science.

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