News tagged with ultraviolet wavelength

NASA lends ultraviolet space telescope to Caltech

(Phys.org) -- Caltech has taken over operation from NASA of the Galaxy Evolution Explorer (GALEX), a space telescope that for the last nine years has been surveying the cosmos in ultraviolet light. In this ...

Space & Earth / Space Exploration

created May 17, 2012 | popularity not rated yet | comments 0

Generating first-ever controlled ultrafast radiation, using a plasma

To observe ultrarapid phenomena such as the motion of electrons within matter, researchers need sources capable of producing extremely fast and energetic light radiation. Although devices capable of emitting ...

Physics / Plasma Physics

created Apr 05, 2012 | popularity not rated yet | comments 0

New SCUBA-2 camera reveals wild youth of the universe

(PhysOrg.com) -- A team of astronomers from the UK, Canada and the Netherlands have commenced a revolutionary new study of cosmic star-formation history, looking back in time to when the universe was still ...

Space & Earth / Astronomy

created Mar 27, 2012 | popularity 4.3 / 5 (4) | comments 0

Making sharper X-rays

A variety of imaging technologies rely on light with short wavelengths because it allows very small structures to be resolved. However, light sources which produce short, extreme ultraviolet or x-ray wavelengths ...

Physics / General Physics

created Mar 09, 2012 | popularity 5 / 5 (5) | comments 0

Black hole came from a shredded galaxy

(PhysOrg.com) -- Astronomers using NASA's Hubble Space Telescope have found a cluster of young, blue stars encircling the first intermediate-mass black hole ever discovered. The presence of the star cluster ...

Space & Earth / Astronomy

created Feb 15, 2012 | popularity 4.6 / 5 (13) | comments 13 | with audio podcast

Researchers at SLAC test collider closer to creating fully coherent X-rays

(PhysOrg.com) -- Many advanced laser technologies, such as laser spectroscopy, that use precise wavelengths of infrared, visible or ultraviolet laser light could benefit from using X-ray light as well. But ...

Physics / General Physics

created Feb 01, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Lunar Reconnaissance Orbiter's LAMP reveals lunar surface features

New maps produced by the Lyman Alpha Mapping Project aboard NASA's Lunar Reconnaissance Orbiter reveal features at the Moon's northern and southern poles in regions that lie in perpetual darkness. LAMP, developed ...

Space & Earth / Space Exploration

created Jan 13, 2012 | popularity 4.4 / 5 (8) | comments 3 | with audio podcast

Space image: Spiral galaxy

(PhysOrg.com) -- Resembling festive lights on a holiday wreath, this NASA/ESA Hubble Space Telescope image of the nearby spiral galaxy M74 is an iconic reminder of the impending season. Bright knots of glowing ...

Space & Earth / Astronomy

created Dec 19, 2011 | popularity 5 / 5 (3) | comments 0

A smarter way to make ultraviolet light beams

Existing coherent ultraviolet light sources are power hungry, bulky and expensive. University of Michigan researchers have found a better way to build compact ultraviolet sources with low power consumption ...

Physics / Optics & Photonics

created Nov 29, 2011 | popularity 4.7 / 5 (6) | comments 3 | with audio podcast

Researchers take first steps toward X-ray superfluorescence

(PhysOrg.com) -- While physicist Robert Dicke is probably most famous for his work on the cosmic microwave background (CMB) – and being "scooped" while attempting to be the first to detect it – he ...

Physics / General Physics

created Nov 14, 2011 | popularity 4.6 / 5 (11) | comments 5 | with audio podcast feature

Subtly shaded map of moon reveals titanium treasure troves

(PhysOrg.com) -- A map of the Moon combining observations in visible and ultraviolet wavelengths shows a treasure trove of areas rich in Titanium ores. Not only is Titanium a valuable mineral, it is key to ...

Space & Earth / Space Exploration

created Oct 07, 2011 | popularity 4.9 / 5 (14) | comments 31 | with audio podcast

Saturn's geyser moon Enceladus shows off for Cassini

(PhysOrg.com) -- NASA's Cassini spacecraft successfully completed its Oct. 1 flyby of Saturn's moon Enceladus and its jets of water vapor and ice. At its closest approach, the spacecraft flew approximately ...

Space & Earth / Space Exploration

created Oct 04, 2011 | popularity 5 / 5 (1) | comments 1

Physicists uncover new data on adenine, a crucial building block of life

Early Earth's atmosphere provided little shielding for ultraviolet light from space, so many prebiotic molecules, bombarded by it and light of other wavelengths, had a hard time surviving at all. But some molecules became ...

Physics / Condensed Matter

created Aug 18, 2011 | popularity 4.6 / 5 (7) | comments 0 | with audio podcast

New semiconductor nanowire laser technology could kill viruses, improve DVDs

A team led by a professor at the University of California, Riverside Bourns College of Engineering has made a discovery in semiconductor nanowire laser technology that could potentially do everything from kill viruses to ...

Nanotechnology / Nanophysics

created Jul 05, 2011 | popularity 5 / 5 (8) | comments 6 | with audio podcast

Andromeda's coat of many colors (w/ video)

(PhysOrg.com) -- ESA's fleet of space telescopes has captured the nearby Andromeda Galaxy, also known as M31, in different wavelengths. Most of these wavelengths are invisible to the eye and each shows a different aspect ...

Space & Earth / Astronomy

created Apr 27, 2011 | popularity 3.7 / 5 (3) | comments 6 | with audio podcast