Search results for: plasma

Getting to know Rosetta's comet

Rosetta is revealing its host comet as having a remarkable array of surface features and with many processes contributing to its activity, painting a complex picture of its evolution.

Jan 23, 2015
4.8 / 5 (6) 2

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 ...

Jan 22, 2015
4.8 / 5 (13) 15

High-speed jets from a possible new class of galaxy

Seyfert galaxies are similar to spiral galaxies except that they have extraordinarily prominent, bright nuclei, sometimes as luminous as 100 billion Suns. Their huge energies are thought to be generated as ...

Jan 19, 2015
4.8 / 5 (13) 0

Rejigging the Cluster quartet

Aiming to study Earth's 'bow shock' in the solar wind, the constellation of Cluster satellites is being rejigged to bring two of the four to within almost touching distance.

Jan 16, 2015
4 / 5 (3) 2