Zinc oxide would be the perfect sunscreen ingredient if the resulting product didn't look quite so silly. Thick, white and pasty, it was once seen mostly on lifeguards, surfers and others who needed serious sun protection.
Jul 11, 2012
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An active region on the Sun, AR1515, has been putting on quite a show over the last 8 days, sending out all sorts of solar flares. Scientists were sure the huge sunspot was building up to produce an X-class ...
Jul 09, 2012
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A team of scientists has created an "MRI" of the Sun's interior plasma motions, shedding light on how it transfers heat from its deep interior to its surface. The result, which appears in the journal the Proceedings of ...
Jul 09, 2012
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(Phys.org) -- With the impending solar maximum expected to bring heightened rates of flares and coronal mass ejections (CMEs), putting at risk an ever-increasing human presence in space, Oh et al. designed and assessed a ...
Jul 06, 2012
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(Phys.org) -- On July 11, NASA scientists will launch into space the highest resolution solar telescope ever to observe the solar corona, the million degree outer solar atmosphere. The instrument, called HI-C ...
Jul 06, 2012
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(Phys.org) -- Over the years, cosmologists have found ample evidence of just two kinds of black holes: stellar mass black holes and supermassive black holes. The former are considered small by most standards, ...
Jul 06, 2012
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This image shows four separate images of the M5.3 class flare from the morning of July 4, 2012. In clockwise order starting at the top left, the wavelengths shown are: 131, 94, 193, and 171 Angstroms. Each ...
Jul 05, 2012
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The sun breaks through the clouds – and surfaces start cleaning themselves! It may sound like magic, but in fact it’s all thanks to the addition of titanium dioxide molecules. Activated by UV light, ...
Jul 03, 2012
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(Phys.org) -- On July 5, NASA will launch a sounding rocket mission called the Solar Ultraviolet Magnetograph Investigation or SUMI, to study the intricate, constantly changing magnetic fields on the sun in ...
Jul 02, 2012
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(Phys.org) -- The first images of an upward surge of the Sun's gases into quiescent coronal loops have been identified by an international team of scientists. The discovery is one more step towards understanding ...
Jul 01, 2012
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Solar flares are nothing to be ignored. They can be signs of the formation of gigantic solar storms that could propel powerful electromagnetic bursts of charged particles from the Sun to collide with our planet’s ...
Jun 28, 2012
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Mathematicians at the University of Sheffield, as part of an international team, have discovered tornadoes in space which could hold the key to power the atmosphere of the Sun to millions of kelvin.
Jun 27, 2012
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(Phys.org) -- A loose group of stars that was known for over 180 years but never before studied in detail has been revealed to be an important new tool in the quest to understand the evolution of stars like ...
Jun 22, 2012
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(Phys.org) -- Researchers creating electricity through photovoltaics want to convert as many of the sun’s wavelengths as possible to achieve maximum efficiency. Otherwise, they’re eating only a small ...
Jun 18, 2012
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An active region on the sun, numbered AR 1504, rotated into view over the left side of the sun on June 10, 2012. The region fired off two M-class flares and two coronal mass ejections (CMEs) on June 13 and ...
Jun 14, 2012
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