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TB patient's relative works on TB research PDF Print E-mail
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Friday, 01 June 2007

TB patient's relative works on TB research

The man infected with potentially fatal tuberculosis is an Atlanta, Georgia, lawyer whose father-in-law works at the Centers for Disease Control. Andrew Speaker is now being treated in Colorado, as health officials track down people he may have infected. His father-in-law, Robert C. Cooksey, is a microbiologist who has researched tuberculosis for CDC. He said Speaker's "TB did not originate from myself or the CDC's labs."

Last Updated ( Sunday, 03 June 2007 )
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Blue Moon over North America PDF Print E-mail
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Friday, 01 June 2007

May 30, 2007: At 9:04 pm Eastern Daylight Time on May 31st, the full moon over North America will turn blue.

Not really. But it will be the second full moon of May and, according to folklore, that makes it a Blue Moon.

see caption

Above: The first full moon of May 2007, photographed May 2nd by Tony Wilder of Wisconsin. May's second full Moon on May 31st will probably look as gray as this one, although according to folklore, it is "blue."

If you told a person in Shakespeare's day that something happens "once in a Blue Moon" they would attach no astronomical meaning to the statement. Blue moon simply meant rare or absurd, like making a date for "the Twelfth of Never."

Last Updated ( Sunday, 03 June 2007 )
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Galaxies far, far away PDF Print E-mail
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Friday, 01 June 2007
NGC 300
The spiral galaxy NGC 300. The green circles and squares indicate the blue supergiant stars measured in this experiment. The objects within the circles are 50 to 100 percent hotter than the sun, whereas the objects in the squares have a temperature at least 300 percent that of the Sun. Institute for Astronomy
Last Updated ( Sunday, 03 June 2007 )
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Cosmonauts take space walk in shield upgrade PDF Print E-mail
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Thursday, 31 May 2007
Flight engineer Oleg Kotov handles new shields for the Zvezda service module. Part of the international space station since 2000, Zvezda is only now having shields installed to fend off dangerous space junk (Image: NASA TV)
Flight engineer Oleg Kotov handles new shields for the Zvezda service module. Part of the international space station since 2000, Zvezda is only now having shields installed to fend off dangerous space junk (Image: NASA TV)
 

Two crew members ventured from the international space station on Wednesday to install metal shields designed to protect against the impact of orbital debris.

Station commander Fyodor Yurchikhin and flight engineer Oleg Kotov floated out of an airlock on the Russian side of the station at 15.05 EDT (19.05 GMT), about an hour later than planned, due to a glitch with communications equipment. They were back inside about five and a half hours later.

During the outing, the cosmonauts fitted five aluminium debris impact shields to the forward part of the crew's living quarters, a Russian-built module known as Zvezda that has been in orbit for seven years. The shields measure about 60 by 90 centimetres, and weigh up to 9 kilograms.

 
Last Updated ( Sunday, 03 June 2007 )
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Galactic upheaval PDF Print E-mail
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Thursday, 31 May 2007
Chandra X-ray Image of 3C438
Evidence for an awesome upheaval in a massive galaxy cluster was discovered in an image made by NASA's Chandra X-ray Observatory. The origin of a bright arc of extremely hot gas extending over two million light years requires one of the most energetic events ever detected. There are also hints of a cavity in the hot gas to the upper left. NASA/CXC/CfA/R.P.Kraft
 
May 31, 2007
Evidence for an awesome upheaval in a massive galaxy cluster was discovered in an image made by NASA's Chandra X-ray Observatory. The origin of a bright arc of ferociously hot gas extending over two million light years requires one of the most energetic events ever detected.

The cluster of galaxies is filled with tenuous gas at 170 million degree Celsius that is bound by the mass equivalent of a quadrillion, or 1,000 trillion, suns. The temperature and mass make this cluster a giant among giants.
Last Updated ( Sunday, 03 June 2007 )
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