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Posts tagged nine planets

June 23, 2011

 

solar_system

Collision Course (Planets)

Why are the planets where they are instead of somewhere else?

August 21, 2007

 

Moon at night

Steady, Steady

The relatively small Earth, with its sizable moon, is the only planet we know of with life on it. Coincidence?

May 2, 2006

 

mars

Never Thought to Ask (Planets)

Where did the nine planets that orbit our sun come from?

March 8, 2006

 

uranus_sign

Beyond That Planet

Nowadays everybody knows there are nine planets in our solar system, but that information was hard won.

December 2, 2005

 

The Tenth Planet?

On last count, there were nine planets in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto. Soon, however, we might need to add a tenth planet to the solar lineup. Learn more on this Moment of Science.

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