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Can an Asteroid or Comet Impact Earth?

In the event of a large asteroid hitting the Earth, or a comet hitting the Earth, could it be a major problem? What would happen in an impact from a large asteroid or comet?

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Astronomy and Space

Is Intelligent Extraterrestrial Life Probable?

The universe is so vast there is always a speculation that other planets may harbor intelligent life, but the things need for complex life forms is quite restrictive.

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Astronomy and Space

NASA's Shuttle Space Suit Colors

The colors of NASA shuttle suits were principally orange, blue, and white. What color space suit the astronauts wore for each of three special purposes

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Astronomy and Space

Solar Eclipse: Awesome, Yet Dangerous

A solar eclipse is a thing of great beauty, and are easily understood, but vision care in viewing a solar eclipse is important.

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Astronomy and Space

Discoveries of Stephen Hawking

Discoveries of Stephen Hawking is complex and difficult for even scholars to understand and digest but very thought provoking if you are interested in astronomy.

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Astronomy and Space

The Aurora: Northern and Southern Lights

The Auroras are beautiful, dynamic displays that inspire awe.

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Astronomy and Space

Five Reasons Why Planet Earth Should Be Grateful for Planet X

Earth once had a twin, and life on Earth might not exist without it. Learn why this long-lost "Planet X" is so important to us today.

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Astronomy and Space

Time: A Simple Understanding, and a Deep Question

Time is a dimension. But it is unlike the other dimensions.

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Astronomy and Space

Fun Space Stuff for Children

Learn about fun space things to share with young children: the first astronauts, weightlessness, and how shuttles land; fun space toys, books, and costumes for kids under eight.

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Astronomy and Space

Cool Space Stuff for Older Kids

Information for teens and parents of tweens, about the International Space Station and space camps. Also Gift ideas, including books & astronaut costumes for space minded kids

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Astronomy and Space

Animal Astronauts

Before man went into space, it was up to Animal Astronauts to prove it could be done. Crucial flights were made by dogs, monkeys, and other animals.

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Astronomy and Space

Evidence of Meteorites

Evidence of meteorites exists, and finding it can be rewarding.

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Astronomy and Space

Remembering Challenger and Columbia

America's manned space program has made nearly unimaginable accomplishments. But they came at a price. It was a high one for astronauts aboard two space shuttles.

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Astronomy and Space

Did Sunspots Crash Reddit on October 22, 2012?

How vulnerable is the web to solar flares and CMEs? 2013 is solar max, and it's the first time we've entered a time of high solar activity since cloud computing began. Buckle up!

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Astronomy and Space

NASA Space Shuttle Models - A Tribute to the Space Program

No matter how you feel about the end of the space shuttle program, building a space shuttle model is a great way to remember. Let us know how you feel about the end of the program.

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Astronomy and Space

Space Shuttle Endeavour at California Science Center

The Endeavour has landed in Los Angeles, and she's settling into her new home. Here's a sneak preview of the new California Science Center Endeavour exhibit!

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Astronomy and Space

How the Shuttles Got Their Names: Discovery, Atlantis, and Endeavour

Part two of a 2 part article on how the shuttles got their names, and what happened to them. This part: Shuttles Discovery, Atlantis, and Endeavour.

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Astronomy and Space

How the Shuttles Got Their Names: Columbia and Challenger

Where the names of Space Shuttles Columbia and Challenger came from. NASA's stroke of genius in choosing names for the shuttle was inspired by maritime history.