Astro Info Base Your Astronomy and Space Authority

Check out the November Features!

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November Features

November Astronomical Events: Saturn reaches opposition this month; possible Leonid meteor storm; Comet Lee is fading from easy view

Biography - Johann Franz Encke: The German astronomer, mathematician and physicist who is noted for calculating the orbit of the comet that now bears his name (Encke's Comet) and for discovering a faint division in the outermost ring of Saturn, now known as Encke's Division.

November in History: Leonid meteor storms of the past; U.S. spacecraft Mariner 4 fly-by of the planet Mars; U.S. moon mission Apollo 12; Soviet robotic moon mission Luna 17; U.S. mission passed Venus and Mercury by Mariner 10; U.S. spacecraft Mars Global Surveyor; and numerous U.S. Space Shuttle missions.

Featured Reviews:

• Carl Sagan: A Life - by Keay Davidson
• The Elegant Universe: Superstrings, Hidden Dimensions, and the Quest for the Ultimate Theory - by Brian R. Greene
• Full Moon - by Michael Light
• Galileo's Daughter: A Historical Memoir of Science, Faith, and Love - by Dava Sobel
• The Planets - by David McNab and James Younger

Featured Links:

• NASA Chandra X-ray Observatory: As of its launch on July 22, 1999, it became the world's largest and most sensitive X-ray telescope. Chandra's mission is to examine exploding stars, black holes, colliding galaxies and other high-energy cosmic phenomena to help scientists gain a better understanding of the structure and evolution of the universe. (http://chandra.nasa.gov/)
• Galileo Mission to Jupiter: In addition to studying Jupiter and its moons, this spacecraft has seen a comet collide with a planet! Drop in on this mission that is still going strong. (http://www.jpl.nasa.gov/galileo/)
• Cassini Mission to Saturn: Learn about the mission to the great ringed planet and its largest moon, Titan. (http://www.jpl.nasa.gov/cassini/)

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