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Wednesday, November 30, 2011
Sunday, November 20, 2011
London Bridge Will Soon Be All Lit Up With LEDs!
It was over 25 years ago that the London Bridge lighting system, used to illuminate the landmark at night, was last upgraded. But GE and its UK partner EDF Energy recently received a formal approval to retrofit the 800-foot bridge with new energy efficient LED technology and a cabling system that will bring it into the 21st century with style.
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Friday, November 18, 2011
Galaxies learned to "go green" early in the history of the universe
Galaxies learned to "go green" early in the history of the universe, continuously recycling immense volumes of hydrogen gas and heavy elements to build successive generations of stars stretching over billions of years.This ongoing recycling keeps galaxies from emptying their "fuel tanks" and therefore stretches out their star-forming epoch to over 10 billion years. However, galaxies that ignite a rapid firestorm of star birth can blow away their remaining fuel, essentially turning off further star-birth activity....
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Friday, October 28, 2011
Three New Planets and a Mystery Object Discovered Outside Our Solar System
Three planets -- each orbiting its own giant, dying star -- have been discovered by an international research team led by a Penn State University astronomer.
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Tuesday, October 25, 2011
NASA Telescopes Help Solve Ancient Supernova Mystery
A mystery that began nearly 2,000 years ago, when Chinese astronomers witnessed what would turn out to be an exploding star in the sky, has been solved. New infrared observations from NASA's Spitzer Space Telescope and Wide-field Infrared Survey Explorer, or WISE, reveal how the first supernova ever recorded occurred and how its shattered remains ultimately spread out to great distances.
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Sunday, October 9, 2011
Astronomers Find Elusive Planets in Decade-Old Hubble Data
In a painstaking re-analysis of Hubble Space Telescope images from 1998, astronomers have found visual evidence for two extrasolar planets that went undetected back then.
Read HereSaturday, October 8, 2011
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