News tagged with adaptive optics
Related topics: stars
Light, instead of electrodes, could control deformable mirrors
(PhysOrg.com) -- The field of adaptive optics is advancing in interest as technology makes it possible to use deformable mirrors for a number of applications in optoelectronics. Deformable mirrors usually make use of rigid ...
Jul 15, 2010 |
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Computing the best high-resolution 3-D tissue images
Real-time, 3-D microscopic tissue imaging could be a revolution for medical fields such as cancer diagnosis, minimally invasive surgery and ophthalmology. University of Illinois researchers have developed ...
Apr 23, 2012 |
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Taking the twinkle out of the night sky
If you are like most people, you probably enjoy the twinkling of stars that blanket the sky on a clear summer night. If you are an astronomer, chances are you find it extremely annoying.
Aug 04, 2010 |
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Making light work: The 50-year odyssey of the laser
Fifty years ago next Sunday, a 32-year-old engineer called Theodore Maiman switched on a gadget at Hughes Research Laboratories in California, and watched as pulses of light sprang from a pink ruby crystal.
May 12, 2010 |
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Cosmic 'Dig' Reveals Vestiges of the Milky Way's Building Blocks
(PhysOrg.com) -- Peering through the thick dust clouds of our galaxy's "bulge" (the myriads of stars surrounding its center), a team of astronomers has unveiled an unusual mix of stars in the stellar grouping ...
Nov 25, 2009 |
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Double engine for a nebula
(PhysOrg.com) -- The new image, showing a very rich field of stars towards the Carina arm of the Milky Way, is centred on the star HD 87643, a member of the exotic class of B[e] stars [1]. It is part of a ...
Aug 05, 2009 |
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Stellar family in crowded, violent neighborhood proves to be surprisingly normal
The massive Arches Cluster is a rather peculiar star cluster. It is located 25 000 light-years away towards the constellation of Sagittarius (the Archer), and contains about a thousand young, massive stars, ...
Jun 04, 2009 |
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Study finds 'cool' gas may form and strengthen sunspots
Hydrogen molecules may act as a kind of energy sink that strengthens the magnetic grip that causes sunspots, according to scientists from Hawaii and New Mexico using a new infrared instrument on an old telescope.
Jan 31, 2012 |
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Subaru's sharp eye confirms signs of unseen planets in the dust ring of HR 4796 A
(PhysOrg.com) -- The SEEDS (Strategic Exploration of Exoplanets and Disks with Subaru Telescope/HiCIAO) project, a five-year international collaboration launched in 2009 and led by Motohide Tamura of NAOJ ...
Dec 30, 2011 |
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First low-mass star detected in globular cluster
Even the most powerful high-tech telescopes are barely able to record remote low-mass and thus faint stars. Together with researchers from Poland and Chile, an astrophysicist from the University of Zurich ...
Dec 15, 2011 |
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New planet discovered in Trinary star system
Until recently, astronomers were highly skeptical of whether or not planets should be possible in multiple star systems. It was expected that the constantly varying gravitational force would eventually tug ...
Jul 14, 2011 |
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Historic first images of rod photoreceptors in the living human eye
Scientists today reported that the tiny light-sensing cells known as rods have been clearly and directly imaged in the living eye for the first time. Using adaptive optics (AO), the same technology astronomers ...
Jun 08, 2011 |
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Europa helps astronomers penetrate Jupiter's lost belt
(PhysOrg.com) -- The ongoing turmoil inside Jupiter’s missing – and slowly re-emerging – South Equatorial Belt can now be seen in unprecedented detail thanks to the Keck II telescope’s ...
Feb 10, 2011 |
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Fourth planet foundin giant version of our solar system
(PhysOrg.com) -- Astronomers have discovered a fourth giant planet, joining three others that, in 2008, were the subject of the first-ever pictures of a planetary system orbiting another star other than our ...
Dec 08, 2010 |
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Planet hunters no longer blinded by the light
(PhysOrg.com) -- University of Arizona astronomers have developed a way to see faint planets previously hidden in their star's glare. The new mode enables scientists to search for planets closer to the star ...
Oct 14, 2010 |
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