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Sources of the solar wind

The solar chromosphere is the region between the Sun's surface and its hot, million-degree corona. Within this complex interface zone, only a few thousand kilometers deep, the density of the gas drops by a factor of about ...

dateNov 05, 2014 in Space Exploration
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Observing the Birkeland currents

When the supersonic solar wind hits the Earth's magnetic field, a powerful electrical connection occurs with Earth's field, generating millions of amperes of current that drive the dazzling auroras. These so-called Birkeland ...

dateOct 06, 2014 in Earth Sciences
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Wind energy cuts the electricity bill

The promoting of renewable energy is at the heart of the current debate on energy policy. From an economic perspective, the question focusses on determining the cost of the feed-in tariff systems. Firstly, whether the incentives ...

dateSep 03, 2014 in Energy & Green Tech
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