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SESK: Stuff Everyone Should Know · sesk.info/astro-agn-jets-axis

Along which direction do AGN jets escape?

They emerge roughly along the black hole's rotation axis.

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  1. Along the rotation axis ✔
  2. Within the disk plane
  3. Randomly in all directions

Why: Some superheated material is redirected away from the disk. Strong magnetic fields collimate it into narrow jets along the system's axis.

Huh, didn't know that: Some AGN jets extend hundreds of thousands of light-years beyond their galaxies.

The dad joke
The accretion disk said go around, but the jet went straight up.
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References

Answer: Along the rotation axis. Some superheated material is redirected away from the disk. Strong magnetic fields collimate it into narrow jets along the system's axis.

  1. What Are Active Galactic Nuclei? science.nasa.gov/mission/webb/science-overview/science-explainers/what-are-active-galactic-nuclei
    Some of the superheated material escapes along the black hole's rotation axis.
    Checked 2026-10-10.

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