Sunday 13 August 2017

Detailed View of a Solar Eclipse Corona

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Only in the fleeting darkness of a total solar eclipse is the light of the solar corona easily visible. Normally overwhelmed by the bright solar disk, the expansive corona, the sun's outer atmosphere, is an alluring sight. But the subtle details and extreme ranges in the corona's brightness, although discernible to the eye, are notoriously difficult to photograph. Pictured here, however, using multiple images and digital processing, is a detailed image of the Sun's corona taken during the 2008 August total solar eclipse from Mongolia. Clearly visible are intricate layers and glowing caustics of an ever changing mixture of hot gas and magnetic fields. Bright looping prominences appear pink just above the Sun's limb. A similar solar corona might be visible through clear skies in a thin swath across the USA during a total solar eclipse that occurs just one week from tomorrow.

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Experience A Zero Gravity Flight

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Experience zero gravity in 360. If you ever wished to become an astronaut, this is your first step.
via New York Times

NASA watches the Sun put a stop to its own eruption

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On Sept. 30, 2014, multiple NASA observatories watched a failed solar eruption. Because scientists had so many eyes on the event, they were able to explain how the Sun's magnetic landscape shredded its own eruption.
via Science Daily
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