Researchers view microorganisms from space

What is the smallest thing you can see from space? From a standard shuttle orbit of 217 kilometers above the Earth’s surface, it is suggested that you can see the Great Wall of China. With the aid of binoculars, you can also see clearly the pyramids of Giza, large ships and even major roads.

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<p><a href="http://www.physorg.com/news127490590.html">Researchers view microorganisms from space</a></p> <p>What is the smallest thing you can see from space? From a standard shuttle orbit of 217 kilometers above the Earth’s surface, it is suggested that you can see the Great Wall of China. With the aid of binoculars, you can also see clearly the pyramids of Giza, large ships and even major roads.</p>