Black holes regulation of quasar dynamics in galaxy collisions

Tiziana Di Matteo, Volker Springel, and Lars Hernquist created this computer animation showing the evolution of a galaxy collision simulation, including the effect of supermassive black holes hosted at the center of the two galaxies. The simulation, which shows only the gas distribution of the two galaxies, covers a period of 2 billion years; brightness represents gas density while the colour hue indicates gas temperature.

This computer animation visualises the full time evolution of a galaxy collision simulation of two spiral galaxies that host supermassive black holes at their centres. Only the gas distribution in the galaxies is shown. As in the figure, brightness represents gas density while the colour hue indicates gas temperature.

From the paper by T. Di Matteo, V. Springel, L. Hernquist, Energy Input from Quasars Regulates the Growth and Activity of Black Holes and Their Host Galaxies, Nature 433, 604 (2005).

More information in http://web.phys.cmu.edu/~tiziana/BHGrow/

Category:

Science & Technology

Tags:

• GALAXY COLLISIONS
• BLACK HOLES
• spiral galaxies
• computer simulation

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