Why The Gamma Ray Burst doesn't explode into all the directions?

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Discussion Overview

The discussion revolves around the nature of gamma-ray bursts (GRBs) and why they do not explode isotropically but rather exhibit a beamed emission. Participants explore various models and hypotheses regarding the mechanisms behind GRBs, including the role of magnetic fields and the implications of energy release.

Discussion Character

  • Exploratory, Debate/contested, Technical explanation

Main Points Raised

  • Some participants suggest that the beamed nature of gamma-ray bursts is due to the effects of a magnetic field associated with rapidly rotating black holes.
  • Others argue that if gamma-ray bursts were not beamed, the energy release would be extraordinarily high, far exceeding known explosion types, which supports the beamed model.
  • One participant notes that the energy release from GRBs rivals that of matter-antimatter explosions, raising questions about the feasibility of isotropic emissions.
  • Several participants express uncertainty about the current understanding of GRBs, indicating that the mechanisms are still not fully known.

Areas of Agreement / Disagreement

Participants generally agree that the mechanisms behind gamma-ray bursts are not fully understood, and multiple competing views regarding their emission characteristics remain unresolved.

Contextual Notes

Limitations include the dependence on current models and assumptions about the nature of black holes and energy release mechanisms, which are still under investigation.

arabianights
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instead of the bipolar explosion
 
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It's an effect of the magnetic field of a rapidly rotating black hole forming. Look it up on Google for details
 
Drakkith said:
We don't know yet.
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Son of a gun. I thought it WAS known to be an effect of a magnetic filed. Well, live and learn.
 
arabianights said:
instead of the bipolar explosion

Also the reason that we think that gamma ray bursts are beamed is that if they weren't beamed then we are talking about some totally horrendous explosion that is more 1000 times powerful than anything we've seen. If it's beamed, then it's still a massive boom, but the level of energy is comparable to explosions that we know about (i.e. supernova).
 
One of the biggest mysteries about GRB's is the energy release rivals that of an anti-matter/matter explosion at their putative distances, which appears unlikely. Hence, the beamed idea ... IOW, what twofish said.
 

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