News tagged with light wavelength

New views of an ancient asteroid

Using the Herschel Space Telescope, astronomers are set to obtain the first-ever images of asteroid 1999 RQ36 in far infrared light, a wavelength that the OSIRIS-REx spacecraft will not be able to see once it approaches the ...

dateSep 26, 2011 in Space Exploration
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Bimetallic nanoantenna separates colors of light

Researchers at Chalmers University of Technology have built a very simple nanoantenna that directs red and blue colours in opposite directions, even though the antenna is smaller than the wavelength of light. The findings ...

dateSep 23, 2011 in Nanophysics
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Saturn's moon Enceladus spreads its influence

( -- Chalk up one more feat for Saturn's intriguing moon Enceladus. The small, dynamic moon spews out dramatic plumes of water vapor and ice -- first seen by NASA's Cassini spacecraft in 2005. It possesses simple ...

dateSep 22, 2011 in Space Exploration
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Image: SDO sees 3 coronal 'holes'

The sun was visually dominated by three substantial coronal holes that rotated across its face the week of Sept. 8-10, 2015. Coronal holes are areas where the sun's magnetic field lines extend out into space and don't return ...

dateSep 17, 2015 in Space Exploration
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Video: A golden arch on the sun

Magnetically charged particles formed a nicely symmetrical arch at the edge of the sun as they followed the magnetic field lines of an active region on Aug.4-5, 2015. Before long the arch begins to fade, but a fainter and ...

dateAug 13, 2015 in Space Exploration
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