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A Moment of Science

Posts tagged high speeds

June 5, 2009

 

Moon over colorful cityscape

Why Doesn’t the Moon Fall Down?

Contrary to what fairy tales tell us, there is nothing holding the moon up in the sky. So why doesn't it fall down? Find out on this Moment of Science.

September 27, 2003

 

Titanium

With 22 as its atomic number and ‘T-i” as its atomic symbol, titanium is the fourth most abundant metal on earth.

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