News tagged with magnetic field lines

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Why solar wind is rhombic-shaped?

Why the temperatures in the solar wind are almost the same in certain directions, and why different energy densities are practically identical, was until now not clear.

Nov 15, 2011
5 / 5 (2) 0 | with audio podcast

A new spin on understanding plasma confinement

To achieve nuclear fusion for practical energy production, scientists often use magnetic fields to confine plasma. This creates a magnetic (or more precisely "magneto-hydrodynamic") fluid in which plasma is tied to magnetic ...

Nov 10, 2011
5 / 5 (2) 2

Millisecond pulsar in spin mode

Astronomers have tracked down the first gamma-ray pulsar in a globular cluster of stars. It is around 27,000 light years away and thus also holds the distance record in this class of objects. Moreover, its ...

Nov 03, 2011
4.6 / 5 (5) 8 | with audio podcast

A pulsar's mysterious tail

(PhysOrg.com) -- A spinning neutron star is tied to a mysterious tail -- or so it seems. Astronomers using NASA's Chandra X-ray Observatory have found that this pulsar, known as PSR J0357+3205 (or PSR J0357 ...

Jul 14, 2011
4.6 / 5 (7) 4 | with audio podcast

Launching balloons in Antarctica

They nicknamed it the "Little Balloon That Could." Launched in December of 2010 from McMurdo Station in Antarctica, the research balloon was a test run and it bobbed lower every day like it had some kind of ...

Feb 23, 2011
4.6 / 5 (5) 0 | with audio podcast

Catching space weather in the act

Close to the globe, Earth's magnetic field wraps around the planet like a gigantic spherical web, curving in to touch Earth at the poles. But this isn't true as you get further from the planet. As you move ...

Feb 17, 2011
4 / 5 (2) 1 | with audio podcast

Taming thermonuclear plasma with a snowflake

Physicists working on the National Spherical Torus Experiment (NSTX) at the Princeton Plasma Physics Laboratory are now one step closer to solving one of the grand challenges of magnetic fusion research -- ...

Nov 08, 2010
4.8 / 5 (21) 11 | with audio podcast

Enceladus leaves plasma bubbles in its wake

(PhysOrg.com) -- Observations of how Saturn’s moon Enceladus interacts with its environment show it leaves a complex pattern of ripples and bubbles in its wake. Sheila Kanani will be presenting the results ...

Apr 15, 2010
5 / 5 (7) 2 | with audio podcast