20060526

In orbit, by George

"Countless hours were spent [by our ancestors] watching Mercury, Venus, Mars, Jupiter and Saturn, whose movements were thought to control the affairs of men. Would you believe, in spite of all that watching, they missed one? There is a sixth planet you can see without a telescope, a planet named George.

"'George' is not as bright as the others, but it is there, glowing like an aqua-blue star of 6th magnitude. It measures four times wider than Earth, has more than 30 moons and a dozen or so thin rings. George goes around the sun every 84 years, always spinning on its side as if something knocked it over.

"George is better known as Uranus. English astronomer William Herschel discovered the planet in 1781 during a telescopic survey of the zodiac. He promptly named it Georgium Sidus (the Georgian Planet) in honor of his patron, King George III. Later, to the everlasting delight of schoolchildren, George was renamed Uranus, the Greek god of the sky."