Anti-Gravity.What's the truth?

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GrandMasterTerwynn
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Post by GrandMasterTerwynn »

Enola Straight wrote:Don't Pulsars and Quasars have jets of ejected material at each pole, material ejected at neat the speed of light?

Is some other force than "anti-gravity" pushing material away from such high gravity masses?
A quasar is nothing more than a galaxy with an active core. The black hole at the heart of such a beastie converts a pretty high fraction of the mass falling into it into energy. Combined with the tortured EM environment near a black hole, a fraction of the gas and dust it consumes is hurtled away from the black hole at ludicrous velocities. Velocities high enough that the particles in these jets comfortably exceed the escape velocity of an object only a few million times more massive than the Sun.

Mind you, the fraction of matter that goes into the jets is pretty small. The majority of the gas and dust being drawn in by the black hole is converted into energy, or consumed directly. The point is; you don't need to invoke woo-woo pseudophysics to explain the presence of jets.
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drachefly
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Post by drachefly »

Wyrm wrote:If they were claiming that spinning magnetic fields create antigravity. I would ask them, what about pulsars?
Yes, they're strong, and they spin fast; but they are, as you say, really big. The effect might fall off really strongly as you make the system bigger.

Just an idea.
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kheegster
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Post by kheegster »

Enola Straight wrote:Don't Pulsars and Quasars have jets of ejected material at each pole, material ejected at neat the speed of light?

Is some other force than "anti-gravity" pushing material away from such high gravity masses?
To put it very simplistically, the rotation of the magnetic fields around the object can induce a powerful electric field through Faraday's law, which can accelerate particles out through the magnetic polar caps.
Articles, opinions and rants from an astrophysicist: Cosmic Journeys
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