DM 20100311__Stunning pictures of a solar corona全蚀时的日冕





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photo montage captured during a solar eclipse over the Marshall Islands in July 2009. The beautiful image shows the solar corona that makes up the sun's 'atmosphere' in amazing detail as the sun passes behind the Moon






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This picture was created from 38 individual photographs at ISO 100, exposure time was between 1/125 seconds and 8 seconds






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As well as being very hot, the ionised gas of the corona (called plasma) has a superthin consistency. It is less than a billionth of the density of the hydrogen that makes up the main ball of the Sun






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This was the view from the Marshall Islands for Mr Druckmuller where the pictures were taken. He has travelled the world chasing eclipses






05__A total eclipse is only seen along a narrow band on Earth that is covered by the Moon's umbra