Astronomers using ESO’s Very Large Telescope have for the first time observed that a fast radio burst passed through a galactic halo. Lasting less than a millisecond, this enigmatic blast of cosmic radio waves came through almost undisturbed, suggesting that the halo has surprisingly low density and weak magnetic field. This new technique could be used to explore the elusive halos of other galaxies.
The release, images and videos are available on:
https://www.eso.org/public/news/eso1915/
Kind regards,
The ESO Department of Communication
26 September 2019
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