News tagged with intense radiation

Rubber chicken flies into solar radiation storm

Last month, when the sun unleashed the most intense radiation storm since 2003, peppering satellites with charged particles and igniting strong auroras around both poles, a group of high school students in ...

Space & Earth / Space Exploration

created Apr 23, 2012 | popularity 5 / 5 (3) | comments 1

Solar Probe Plus: NASA solar study mission moves to next design stage

(PhysOrg.com) -- Two-thousand-degree temperatures, supersonic solar particles, intense radiation – all of this awaits NASA’s Solar Probe Plus during an unprecedented close-up study of the sun.

Space & Earth / Space Exploration

created Mar 07, 2012 | popularity 5 / 5 (1) | comments 0

Ames celebrates the 40th anniversary of Pioneer 10

Launched on March 2,1972, Pioneer 10 was the first spacecraft to travel through the Asteroid belt, and the first spacecraft to make direct observations and obtain close-up images of Jupiter. Famed as the most remote object ...

Space & Earth / Space Exploration

created Mar 01, 2012 | popularity 4.5 / 5 (2) | comments 0

Transforming galaxies

(PhysOrg.com) -- Many of the Universe's galaxies are like our own, displaying beautiful spiral arms wrapping around a bright nucleus. Examples in this stunning image, taken with the Wide Field Camera 3 on ...

Space & Earth / Astronomy

created Feb 13, 2012 | popularity 5 / 5 (5) | comments 1 | with audio podcast

A pocket of star formation

(PhysOrg.com) -- This new view shows a stellar nursery called NGC 3324. It was taken using the Wide Field Imager on the MPG/ESO 2.2-metre telescope at the La Silla Observatory in Chile. The intense ultraviolet ...

Space & Earth / Astronomy

created Feb 01, 2012 | popularity not rated yet | comments 0 | with audio podcast

Are pulsars giant permanent magnets?

Some of the most bizarre phenomenon in the universe are neutron stars. Very few things in our universe can rival the density in these remnants of supernova explosions. Neutron stars emit intense radiation ...

Space & Earth / Astronomy

created Nov 22, 2011 | popularity 4.4 / 5 (8) | comments 18

The Tarantula glows with X-rays and infrared light

(PhysOrg.com) -- This spiderweb-like tangle of gas and dust is a star-forming region called 30 Doradus. It is one of the largest such regions located close to the Milky Way galaxy, and is found in the neighboring ...

Space & Earth / Astronomy

created Nov 11, 2011 | popularity 4.5 / 5 (2) | comments 4

Galaxy mergers not the trigger for most black hole feeding frenzies

(PhysOrg.com) -- A survey of distant galaxies using the Hubble Space Telescope has put another nail in the coffin of the theory that galaxy mergers are the main trigger for turning quiescent supermassive black ...

Space & Earth / Astronomy

created Oct 14, 2011 | popularity 4.8 / 5 (4) | comments 51 | with audio podcast

Clearing the cosmic fog of the early universe: Massive stars may be responsible

The space between the galaxies wasn't always transparent. In the earliest times, it was an opaque, dense fog. How it cleared is an important question in astronomy. New observational evidence from the University ...

Space & Earth / Astronomy

created Oct 12, 2011 | popularity 5 / 5 (5) | comments 5 | with audio podcast

Suspects in the quenching of star formation exonerated

Supermassive black holes millions to billions times the mass of our Sun lie at the heart of most, maybe all large galaxies. Some of these power brilliantly luminous, rapidly growing objects called active galactic nuclei that ...

Space & Earth / Astronomy

created Oct 11, 2011 | popularity 4.4 / 5 (5) | comments 2 | with audio podcast

An angry bird in the sky

(PhysOrg.com) -- A new image from the Wide Field Imager on the MPG/ESO 2.2-metre telescope reveals the Lambda Centauri Nebula, a cloud of glowing hydrogen and newborn stars in the constellation of Centaurus ...

Space & Earth / Astronomy

created Sep 21, 2011 | popularity 5 / 5 (2) | comments 5 | with audio podcast

What activates a supermassive black hole?

A new study combining data from ESO's Very Large Telescope and ESA's XMM-Newton X-ray space observatory has turned up a surprise. Most of the huge black holes in the centres of galaxies in the past 11 billion ...

Space & Earth / Astronomy

created Jul 13, 2011 | popularity 4.7 / 5 (13) | comments 108 | with audio podcast

Highly targeted radiation technique minimizes side effects of prostate cancer treatment

Men with prostate cancer treated with a specialized type of radiation called intensity modulated radiation therapy (IMRT) have fewer gastrointestinal complications compared to patients treated with conventional three-dimensional ...

Medicine & Health / Cancer

created Oct 25, 2010 | popularity 4 / 5 (1) | comments 0

Scientists move objects across meter-scale distances using only light (w/ Video)

(PhysOrg.com) -- For more than 40 years, scientists have been using the radiation pressure of light to move and manipulate small objects in space. But until now, the movements have always been restricted to ...

Physics / General Physics

created Sep 30, 2010 | popularity 4.8 / 5 (36) | comments 10 | with audio podcast feature

The quality of the tomato depends more on temperature than on natural light

A team from the Basque Institute for Agricultural Research and Development (Neiker-Tecnalia, Spain) has questioned the generally held belief that the quality of tomatoes depends primarily on their exposure to natural light ...

Biology / Other

created Mar 25, 2010 | popularity 4 / 5 (3) | comments 0