M87* and the Jets
@ehtelescope imaged a black hole in the M87 galaxy; previously, @NASASpitzer saw jets and shockwaves emanating from it in infrared light. Teamwork! https://go.nasa.gov/2mVkNtH
#BlackHoleWeekpic.twitter.com/kzMUFXjATA
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There are two factors to understanding jets from black holes. The first factor, is that this is not material that's leaving from inside the black hole, but matter that is diverted from the accretion disk at the black hole's equator towards the poles of the black hole...
where it is accelerated by the second key factor, the magnetic field around the black hole. This artist's concept from a NuStar release does a good job of conceptually relating what we think happens:https://www.nasa.gov/feature/jpl/nustar-probes-black-hole-jet-mystery …
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So, if we imagine the classical magnetic field which we think about when we think about magnetic fields around a planet or a star, there are the closed loops of field lines around most of the star, and then there are the open field lines at the poles.https://www.nasa.gov/content/goddard/suns-magnetic-field-flips …
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