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Latest Equatorial bulge Stories

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2009-03-27 15:00:00

Astronomers have theorized that the unexplained terrain on one of Saturn's icy moons might have happened when the moon went from a relatively fast-spinning body to one spinning more slowly, BBC News reported. The bulging ridge of Iapetus, which encircles the moon's equator and reaches an altitude of over 12 miles in certain areas, was discussed in detail during a presentation at the Lunar and Planetary Science Conference in Texas. James Roberts and colleagues at the Johns Hopkins University...

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2008-10-02 15:25:00

Scientists using NASA's RHESSI spacecraft have measured the roundness of the sun with unprecedented precision. They find that it is not a perfect sphere. During years of high solar activity the sun develops a thin "cantaloupe skin" that significantly increases its apparent oblateness: the sun's equatorial radius becomes slightly larger than its polar radius. Their results appear the Oct. 2nd edition of Science Express. "The sun is the biggest and therefore smoothest object in the solar...

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2007-06-14 00:00:00

Washington, DC -- Scientists have found new evidence to support the presence of large oceans on Mars in the past. Published in the June 14 issue of Nature, the research suggests that changes in Mars' orientation with respect to its axis might be responsible for large variations in the topography of shoreline-like features on the planet. Scientists have studied these features for more than 30 years, and the current study presents a new, alternative explanation for how they formed....

2005-09-06 07:55:32

BEND, Ore. (AP) -- A recent survey of a bulge that covers about 100 square miles near the South Sister indicates the area is still growing, suggesting it could be another volcano in the making or a major shift of molten rock under the center of the Cascade Range. Recent eruptions at nearby Mount St. Helens in Washington state have rekindled interest in the annual Sisters survey and its findings. Oregon has four of the 18 most active volcanoes in the nation - Mount Hood, Crater Lake,...

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2005-01-19 07:37:37

ATLANTA -- For decades, scientists have observed that Regulus, the brightest star in the constellation Leo, spins much faster than the sun. But thanks to a powerful new telescopic array, astronomers now know with unprecedented clarity what that means to this massive celestial body. A group of astronomers, led by Hal McAlister, director of Georgia State University's Center for High Angular Resolution Astronomy, have used the center's array of telescopes to detect for the first time Regulus'...


Word of the Day
siliqua
  • A Roman unit of weight, 1⁄1728 of a pound.
  • A weight of four grains used in weighing gold and precious stones; a carat.
  • In anatomy, a formation suggesting a husk or pod.
  • The lowest unit in the Roman coinage, the twenty-fourth part of a solidus.
  • A coin of base silver of the Gothic and Lombard kings of Italy.
'Siliqua' comes from a Latin word meaning 'a pod.'
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