News tagged with solar surface

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.

Space & Earth / Astronomy

created Jan 31, 2012 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Decline in solar output unlikely to offset global warming: study

(PhysOrg.com) -- New research has found that solar output is likely to reduce over the next 90 years but that will not substantially delay expected increases in global temperatures caused by greenhouse gases.

Space & Earth / Earth Sciences

created Jan 24, 2012 | popularity 3.6 / 5 (13) | comments 225 | with audio podcast

SDO helps measure magnetic fields on the sun's surface

(PhysOrg.com) -- Science nuggets are a collection of early science results, new research techniques, and instrument updates that further our attempt to understand the sun and the dynamic space weather system ...

Space & Earth / Space Exploration

created Jan 20, 2012 | popularity 4.2 / 5 (5) | comments 1 | with audio podcast

Scientists make first-ever observations of comet's demise deep inside solar atmosphere

On July 6, 2011, a comet was caught doing something never seen before: die a scorching death as it flew too close to the sun. That the comet met its fate this way was no surprise – but the chance to watch ...

Space & Earth / Space Exploration

created Jan 19, 2012 | popularity 4.6 / 5 (8) | comments 5 | with audio podcast

2011 a record-breaking year for extreme weather: US

Last year broke records for extreme weather in the United States, with 14 events each causing at least a billion dollars in damage, US authorities said on Thursday.

Space & Earth / Environment

created Jan 19, 2012 | popularity 3.7 / 5 (6) | comments 6

Climate balancing: Sea-level rise vs. surface temperature change rates

Engineering our way out of global climate warming may not be as easy as simply reducing the incoming solar energy, according to a team of University of Bristol and Penn State climate scientists. Designing the approach to ...

Space & Earth / Environment

created Jan 18, 2012 | popularity 5 / 5 (2) | comments 0

Researchers build computer model that explains lakes and storms on Saturn's moon Titan

Saturn's largest moon, Titan, is an intriguing, alien world that's covered in a thick atmosphere with abundant methane. With an average surface temperature of a brisk -297 degrees Fahrenheit (about 90 kelvins) ...

Space & Earth / Space Exploration

created Jan 04, 2012 | popularity 4 / 5 (7) | comments 1 | with audio podcast

Twin Grail spacecraft reunite in lunar orbit

(PhysOrg.com) -- The second of NASA's two Gravity Recovery And Interior Laboratory (GRAIL) spacecraft has successfully completed its planned main engine burn and is now in lunar orbit. Working together, GRAIL-A ...

Space & Earth / Space Exploration

created Jan 02, 2012 | popularity 3.9 / 5 (7) | comments 0 | with audio podcast

New technique makes it easier to etch semiconductors

Creating semiconductor structures for high-end optoelectronic devices just got easier, thanks to University of Illinois researchers.

Nanotechnology / Nanophysics

created Dec 22, 2011 | popularity 3.6 / 5 (5) | comments 3 | with audio podcast

Dawn sends first low altitude images of Vesta

(PhysOrg.com) -- NASA's Dawn spacecraft has sent back the first images of the giant asteroid Vesta from its low-altitude mapping orbit. The images, obtained by the framing camera, show the stippled and lumpy ...

Space & Earth / Space Exploration

created Dec 21, 2011 | popularity 4.2 / 5 (10) | comments 3 | with audio podcast

Kepler finds first earth-size planets beyond our solar system

(PhysOrg.com) -- NASA's Kepler mission has discovered the first Earth-size planets orbiting a sun-like star outside our solar system. The planets, called Kepler-20e and Kepler-20f, are too close to their star ...

Space & Earth / Astronomy

created Dec 20, 2011 | popularity 4.9 / 5 (33) | comments 61 | with audio podcast

Research could improve laser-manufacturing technique

(PhysOrg.com) -- Engineers have discovered details about the behavior of ultrafast laser pulses that may lead to new applications in manufacturing, diagnostics and other research.

Physics / General Physics

created Dec 19, 2011 | popularity 5 / 5 (5) | comments 0 | with audio podcast

Jumping droplets take a lot of heat

Microscopic water droplets jumping from one surface to another may hold the key to a wide array of more energy efficient products, ranging from large solar panels to compact laptop computers.

Physics / General Physics

created Dec 12, 2011 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Solar storms could 'sandblast' the moon

(PhysOrg.com) -- Solar storms and associated Coronal Mass Ejections (CMEs) can significantly erode the lunar surface according to a new set of computer simulations by NASA scientists. In addition to removing ...

Space & Earth / Space Exploration

created Dec 06, 2011 | popularity 4.3 / 5 (3) | comments 4 | with audio podcast

Plasmonic device converts light into electricity

(PhysOrg.com) -- While the most common device for converting light into electricity may be photovoltaic (PV) solar cells, a variety of other devices can perform the same light-to-electricity conversion, such ...

Nanotechnology / Nanophysics

created Nov 09, 2011 | popularity 4.6 / 5 (13) | comments 3 | with audio podcast feature