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Posts tagged Earth

May 29, 2012


venus transit 2004

Staring At The Sun: Watch The Sky On Tuesday, June 5th!

Watch our nearest planetary neighbor 'transit' across the sun on Tuesday. You're going to want to some good eye protection.

May 2, 2012


stars moving around the pole

Why Do Stars Twinkle?

If you've ever glanced skyward, you've probably noticed the sheer numbers of stars. Some are tiny, barely visible points. Others radiate strong white light.

April 25, 2012


new moon sliver

The Glowing Moon

There's an interesting effect we can sometimes see regarding the moon. It happens when only a tiny sliver is visible shining on one side.

December 30, 2011


cube earth

Why The Earth Is Round

Why is the earth round? Why isn't it a cube or a pyramid?

December 23, 2011



Between A Hard Place And A Hard Place

Scientists armed with diamond anvils are pushing their investigations deeper and deeper into the center of Earth without actually having to go there.

November 28, 2011


model of the earth

Floating at the Center of the Earth

Here's an odd thing about weightlessness: if it were possible to live in the center of the earth we would be weightless there, too!

November 8, 2011


An artist's rendering of the Earth in glass

Earth’s Close Encounter

An asteroid will whiz by Earth at 29,000 miles per hour. That could cause a big impact, but do we really have anything to worry about?

September 9, 2011


solar system model

A Really Big Lump: How Gravity Created The Solar System

Learn about gravity, stars, and really big lumps on this Moment of Science.

July 18, 2011


engagement diamond ring

How Old Are Diamonds?

Mysteries, facts, and the age of the diamond you've been eying...

July 7, 2011


telescope at the beach

Kepler’s Telescope Spots 2 Planets In Same Orbit. Should We Worry?

Kepler’s Telescope has detected over 1200 possible planets. But this discovery is unique. Scientists found two planets in the same orbit in a system!

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