Magnetic fields are ubiquitous in the Universe and affect almost all astrophysical processes, whereas our knowledge is still rather limited. I will explain and critically discuss the various methods to observe interstellar magnetic fields in the optical, infrared, and radio ranges. I will demonstrate how the field strength can be measured from radio synchrotron intensity. A selection of fascinating results on magnetic fields in the Milky Way and nearby spiral galaxies will be presented.
Speaker: Dr. Rainer Beck (MPIfR, Bonn)
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