Items tagged with ray

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Fireworks From a Flaring Gamma-Ray Star Wednesday, February 11th, 2009 - 16:12:32 - Anuradha Menon Astronomers using NASA's Swift satellite and Fermi Gamma-ray Space Telescope are seeing frequent blasts from a stellar remnant 30,000 light-years... read more

NASA'S Telescope Unveils a Dozen New Pulsars Wednesday, January 7th, 2009 - 18:40:14 - Anuradha Menon NASA's Fermi Gamma-ray Space Telescope has discovered 12 new gamma-ray-only pulsars and has detected gamma-ray pulses from 18 others. The finds are... read more

Small Satellite Takes on Large Thunderstorms Wednesday, November 19th, 2008 - 14:07:09 - Anuradha Menon Firefly, it's called, this new small satellite mission sponsored by the National Science Foundation (NSF). It's designed to help solve the mystery of... read more

Particles of Anti-matter Created in Lab Tuesday, November 18th, 2008 - 13:52:27 - Ehud Rattner A new ability to create a large number of positrons in a small laboratory has recently opened the door to several fresh avenues of anti-matter... read more

First Gamma-ray-only Pulsar Observation Friday, October 17th, 2008 - 12:13:50 - Ehud Rattner About three times a second, a 10,000-year-old stellar corpse sweeps a beam of gamma-rays toward Earth. This object, known as a pulsar, is the first... read more

2008 Ozone Hole Larger than Last Year Wednesday, October 8th, 2008 - 12:36:05 - Anuradha Menon The 2008 ozone hole – a thinning in the ozone layer over Antarctica – is larger both in size and ozone loss than 2007 but is not as large as 2006... read more

March 19 Gamma-Ray Burst, Seen by Naked Eye Friday, September 12th, 2008 - 18:51:50 - Anuradha Menon A flash of light that blinded even small telescopes six months ago was the brightest astronomical explosion ever observed - visible to the naked eye... read more

Sky-High System to Aid Soldiers Tuesday, August 12th, 2008 - 15:56:19 - Ehud Rattner Hardware used to spot gamma ray bursts could soon be helping direct troops on a battlefield. Defense firm Qinetiq has brought the technology down to... read more

3-D X-Ray Diffraction Looks Inside Aerogels Wednesday, July 30th, 2008 - 18:12:19 - Anuradha Menon A multi-institutional team of scientists has used beamline 9.0.1 at the Advanced Light Source to perform high-resolution x‑ray diffraction... read more

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