News tagged with corona

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Retired star found with planets and debris disc

( —ESA's Herschel space observatory has provided the first images of a dust belt – produced by colliding comets or asteroids – orbiting a subgiant star known to host a planetary system. The team of scientists ...

dateApr 09, 2013 in Astronomy
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How the daffodil got its trumpet

The daffodil is one of the few plants with a 'corona', a crown-like structure also referred to as the 'trumpet'. New research suggests that the corona is not an extension of the petals as previously thought, but is a distinct ...

dateFeb 20, 2013 in Plants & Animals
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Solving a mystery of the Sun's corona

(—The corona of the sun is the hot (over a million kelvin), gaseous outer region of its atmosphere. The corona is threaded by intense magnetic fields that extend upwards from the surface in braids that are twisted ...

dateFeb 04, 2013 in Space Exploration
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X-ray laser takes aim at cosmic mystery

Scientists have used powerful X-rays from the Linac Coherent Light Source (LCLS) at the SLAC National Accelerator Laboratory, to study and measure, in atomic detail, a key process at work in extreme plasmas like those found ...

dateDec 12, 2012 in Plasma Physics
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Solar minimum; solar maximum

(—The picture on the left shows a calm sun from Oct. 2010. The right side, from Oct. 2012, shows a much more active and varied solar atmosphere as the sun moves closer to peak solar activity, a peak known as solar ...

dateNov 27, 2012 in Space Exploration
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Total solar eclipse viewed from Australia

On Nov. 13, 2012, a narrow corridor in the southern hemisphere experienced a total solar eclipse. The corridor lay mostly over the ocean but also cut across the northern tip of Australia where both professional and amateur ...

dateNov 14, 2012 in Space Exploration
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