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Results 651 - 658 of 658 for Astronomy
  • New Sodium Laser for Astronomers
    News - 13 Jul 2007
    A new sodium laser is giving 50 times more sky coverage to the atmospheric-correcting technology known as adaptive optics on the Keck II telescope at Mauna Kea, Hawaii. The laser lets scientists...
  • Virus-Sized Nanostars
    News - 8 Jul 2007
    New optics research from Rice University's Laboratory for Nanophotonics suggests that tiny gold particles called nanostars could become powerful chemical sensors. The findings are available...
  • Optical Vortex Coronagraph
    News - 8 Jul 2007
    A new optical device might allow astronomers to view extrasolar planets directly without the annoying glare of the parent star. It would do this by "nulling" out the light of the parent...
  • New Optics Technology for Extremely Large Telescopes
    News - 8 Jul 2007
    On the evening of 25 March 2007, the Multi-Conjugate Adaptive Optics Demonstrator (MAD) achieved First Light at the Visitor Focus of Melipal, the third Unit Telescope of the Very Large Telescope...
  • Artificial Star
    News - 5 Jul 2007
    On 28 January 2006, at 23:07 local time, a laser beam of several watts was launched from Yepun, the fourth 8.2m Unit Telescope of the Very Large Telescope, producing an artificial star, 90 km up in...
  • Adaptive Optics Help Sharpen Night Sky
    News - 5 Jul 2007
    An artificial, laser-fed star now shines regularly over the sky of Paranal, home of ESO's Very Large Telescope, one of the world's most advanced large ground-based telescopes. This system...
  • Frictionless Optics for ESA's Darwin Mission
    News - 5 Jul 2007
    ESA's Darwin mission will look for extrasolar planets and signs of life. The Agency's Technology Research Programme has sponsored the development of critical optical components whose...
  • Powerful Adaptive Optics Pinpoints Supermassive Black Holes in Colliding Galaxies
    News - 5 Jul 2007
    Astronomers have used powerful adaptive optics technology at the W. M. Keck Observatory in Hawaii to reveal the precise locations and environments of a pair of supermassive black holes at the center...

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