The Constellations
The random arrangement of the stars visible to the naked eye has remained essentially unchanged since the time of the first written records. One of the earliest complete lists we have was compiled in about 120 BC by the Greek astronomer Hipparchus, and all the…
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Engineering
Space Lasers Keep Earth's Air Clean
Space laser technology is coming to our smokestacks and automobiles. Leave it to NASA to take its inventions…
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Wernher Von Braun
Wernher Von Braun was one of the world's first and foremost rocket engineers and a leading authority on space…
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Encephalitis and Meningitis
Encephalitis and meningitis are inflammatory diseases of the membranes that surround the brain and spinal cord…
Astronomy
Jupiter's Great Red Spot - A Super Storm
The most prominent and well-known feature of the planet Jupiter is the Great Red Spot. It is not a surface…