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8
votes
1answer
120 views

Why polar jets emited along axis of rotation?

why streams of energy-matter are emited along the axis of rotation of a compact object? (or) what is the reason that they are emited along the axis of rotation of a compact object?
6
votes
1answer
81 views

Where do the bipolar jets of black holes come from?

How are they formed? And why are they so bright?
5
votes
0answers
104 views

What is the proper time used in relativistic non equilibrium statistical physics?

In the literature one often finds covariant relativistic generalizations of classical non equilibrium statistical equations (Boltzmann, Vlasov, Landau, fokker-planck, etc...) but I wonder what is the ...
4
votes
1answer
128 views

Which way do black hole jets spin?

The centers of black holes and quasars often have jets coming out the two poles of an accretion disk, say north and south. Is it known if the two jets spin in the same direction or opposite ...
3
votes
1answer
171 views

models for astrophysical relativistic jets from compact objects

what is the simplest way to understand the physics of relativistic jets? we know that they have axial symmetry with very tight angular spread, presumably aligned with the axis of rotation of the ...
1
vote
1answer
105 views

Visual representations of black holes

Some black holes emit jets that are rapidly circling the poles of what appears to be a sphere at the center of the black hole, cf. Fig. 1. Is there really a sphere here and how far (relative to the ...
0
votes
1answer
55 views

(Polar jets) Is it possible that black holes radiate substantial amount of the mass/energy they accrete?

Is the amount of energy a black hole emit through polar jets comparable to the mass it accretes or is it negligible? Here I am mostly concerned about the observational findings as opposed to the ...