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Latest Space sunshade Stories

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2009-03-13 07:05:00

According to a report in Friday's edition of the journal Science, skies all over the world are dimming due to increases in airborne pollution over the past 30 years.The new study compiles satellite and land-based data on global dimming over a longer period than had previously been available."Creation of this database is a big step forward for researching long-term changes in air pollution and correlating these with climate change," Kaicun Wang, of the University of Maryland, told the...

2009-02-27 23:38:19

Scientists in North America and Britain are working on a massive sun shade they say could be used to stop global warming. Roger Angel, an astronomer with the University of Arizona, has received funding from NASA to develop a canon that would fire trillions of mirrors into space to deflect the rays of the sun, Britain's Telegraph newspaper reported Friday. British inventor Tod Todeschini has been contracted to build a scaled-down version of the canon. Angel said he expects to be ready to...

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2006-11-06 12:10:00

By Lori StilesNovember 06, 2006 But University of Arizona astronomer Roger Angel thinks about it. Angel, a University of Arizona Regents' Professor and one of the world's foremost minds in modern optics, directs the Steward Observatory Mirror Laboratory and the Center for Astronomical Adaptive Optics. He has won top honors for his many extraordinary conceptual ideas that have become practical engineering solutions for astronomy. For the past year, Angel has been looking at ways to cool the...


Word of the Day
bibliopole
  • A bookseller; now, especially, a dealer in rare and curious books.
This word comes from a Greek phrase meaning 'book seller.'
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