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Posts tagged Earth

December 13, 2014

 

Water covers seventy percent of Earth's surface.

Searching For Water In Outer Space

Data from the Rosetta mission, the Mars rover and the Herschel space observatory point to water's extraterrestrial origins.

November 13, 2014

 

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Giant Asteroid Headed Towards Earth!*

*Beware of alarmist headlines. The odds are slim when it comes to giant Earth-bound asteroids.

March 7, 2014

 

Even oxygen-breathing animals as ancient as trilobite didn't come around until long after Earth's atmosphere had become oxygen-rich.

A Change In The Air

Most of us take our oxygen-rich atmosphere for granted. Once upon a time, though, Earth's air was very different.

August 26, 2013

 

Have you ever wondered about the color of the universe?

The Color Of The Universe

Scientists have gathered detailed data measuring light from over 2,000 galaxies, some of which are up to several billion light years away from earth.

August 20, 2013

 

Could the big bang have only been part of the story?

Life On Earth May Have Begun With Amino Acids

According to another theory, life on Earth may not have begun with RNA but rather with amino acids able to fold into proteins in a high salt environment.

June 21, 2013

 

Do you believe in alien life?

New Red Planets Might Support Life!

One of the great mysteries: Does life exist elsewhere in the universe. Research has found that such planets may be more common, and much closer, than we think.

May 30, 2013

 

NASA's Kepler Space Telescope was designed to search for habitable exoplanets

To Seek Out Strange New Worlds: The Kepler Space Telescope

The Kepler space telescope has shown us that we live in a galaxy full of Earth-sized planets.

May 2, 2013

 

Sleeping With Plants

Can sleeping in a room full of plants can be dangerous? A common myth states that, at night, plants compete with people for oxygen!

February 5, 2013

 

One small step!

Why Don’t Marks On The Surface Of The Moon Disappear?

When Neil Armstrong took his "one small step", the impression he made was lasting.

January 1, 2013

 

Check out that horizon line!

How Far Away Is The Horizon?

The horizon line can be a tricky thing to measure...

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