Today in Science History March 26th
by Greg on Mar.26, 2009, under Science Life History
In 1859, Lescarbault, a French medical doctor and amateur astronomer reported sighting a new planet in an orbit inside that of Mercury which he named Vulcan. He had seen a round black spot on the Sun with a transit time across the solar disk 4 hours 30 minutes. He sent this information and his calculations on the planet’s movements to Jean LeVerrier, France’s most famous astronomer. Le Verrier had already noticed that Mercury had deviated from its orbit. A gravitational pull from Vulcan would fit in nicely with what he was looking for. However, it was not consistently seen again and it is now believed to have been a “rogue asteroid” making a one-time pass close to the sun.
Did someone say Vulcan?
:star trek, vulvan
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Nasa's Image of the Day
Panorama of the East Coast
This Jan. 29 panorama of much of the East Coast, photographed by one of the Expedition 30 crew members aboard the International Space Station, provides a look generally northeastward: Philadelphia-New York City-Boston corridor (bottom-center); western Lake Ontario shoreline with Toronto (left edge); Montreal (near center). An optical illusion in the photo makes the atmospheric limb and light activity from Aurora Borealis appear "intertwined." Image Credit: NASA
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