Thus the polarization direction can be used to map out the galactic magnetic field.
2.
The secondary antiprotons ( ) then propagate through the galaxy, confined by the galactic magnetic fields.
3.
In 1937, plasma physicist Hannes Alfv�n argued that if plasma pervaded the universe, then it could generate a galactic magnetic field.
4.
Starlight becomes partially linearly polarized by scattering from elongated interstellar dust grains whose long axes tend to be oriented perpendicular to the galactic magnetic field.
5.
In 1937, Hannes Alfv�n argued that if plasma pervaded the universe, it could then carry electric currents capable of generating a galactic magnetic field.
6.
One possibility is twisted grain alignment along the line of sight due to variation in the galactic magnetic field; another is the line of sight passes through multiple clouds.
7.
Diffusion may also have had a significant effect on the evolution of primordial cosmic magnetic fields, fields which may have been amplified over time to become galactic magnetic fields.
8.
Although the galactic vector potential is very large because the galactic magnetic field exists on very great length scales, only the magnetic field would be observable if the photon is massless.
9.
Ratra also proposed the first inflation model that can generate, from quantum fluctuations, a large-enough primordial cosmological magnetic field to be able to explain observed galactic magnetic fields.
10.
CHIME's daily survey of the sky will enable study of our own Milky Way galaxy, in radio frequencies, and is expected to improve the understanding of galactic magnetic fields.
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