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Peering into cosmic magnetic fields

The generation of cosmic magnetic fields has long intrigued astrophysicists. Since it was first described in 1959, a phenomenon known as Weibel filamentation instability—a plasma instability present in ...

dateJan 22, 2015 in General Physics
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A new look at the sun's magnetic field

Sunspots, bursts of radiation and violent eruptions are signs that our sun is permanently active. Researchers have long known that this activity varies in a cycle of around eleven years' duration. Even if ...

dateMar 27, 2015 in Space Exploration
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