Energy from Atomic Nuclei
Energy from Atomic Nuclei
Transcript: Physicists in the nineteenth century made various estimates of the age of the Sun, but they were fundamental... Read more
24 Jul 2011
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Darwin and Kelvin
Darwin and Kelvin
Transcript: Chemical energy cannot power the Sun, so what is the energy source? Inspired by an idea by the German physi... Read more
24 Jul 2011
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1min
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Solar Corona
Solar Corona
Transcript: Above the solar chromosphere is the corona, a diffuse outer layer of gas at the amazing temperature of two m... Read more
24 Jul 2011
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1min
Auroras
Auroras
Transcript: Auroras are caused when high energy particles from the solar wind crash into the atmosphere of the Earth nea... Read more
24 Jul 2011
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Sun-Earth Interaction
Transcript: Even though the solar wind is diffuse and invisible to the eye it has substantial consequences for the Earth... Read more
24 Jul 2011
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1min
Solar Wind
Solar Wind
Transcript: The diffuse solar corona expands rapidly into deep space, and charged particles are blasted out from the sit... Read more
24 Jul 2011
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Solar Chromosphere
Solar Chromosphere
Transcript: The visible surface and edge of the Sun and the region where sunspots lie is the Sun’s photosphere. Just ab... Read more
24 Jul 2011
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Sunspot
Sunspot
Transcript: Sunspots have been carefully observed for over four hundred years since the invention of the telescope. Thi... Read more
24 Jul 2011
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1min
Photosphere
Photosphere
The Sun is a smooth and continuously varying ball of gas which reduces in density moving outward until it gradually fade... Read more
24 Jul 2011
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1min
The Solar Cycle
The Solar Cycle
Transcript: In 1830 the German astronomer Heinrich Schwabe started observing sunspots as a hobby. He was an amateur ast... Read more
24 Jul 2011
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1min
