File:PIA19822-MagneticBlackHoleWaves-AlfvenS-waves-20150709.jpg
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Summary
| Description |
English: PIA19822: Magnetic Black Hole Waves
This cartoon shows how magnetic waves, called Alfven S-waves, propagate outward from the base of black hole jets. The jet is a flow of charged particles, called a plasma, which is launched by a black hole. The jet has a helical magnetic field (yellow coil) permeating the plasma. The waves then travel along the jet, in the direction of the plasma flow, but at a velocity determined by both the jet's magnetic properties and the plasma flow speed. The BL Lac jet examined in a new study is several light-years long, and the wave speed is about 98 percent the speed of light. |
| Date | |
| Source | http://photojournal.jpl.nasa.gov/jpeg/PIA19822.jpg |
| Author | NASA/JPL-Caltech |
Licensing
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:20, 9 July 2015 | | 1,000 × 1,250 (180 KB) | wikimediacommons>Drbogdan | User created page with UploadWizard |
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