Imagine the Universe!

Paul Nandra's Featured Image:
An Artist's Conception of A Supermassive Black Hole at the Center of an Active Galaxy

artist concept of black hole jets

Paul Nandra studies Active Galactic Nuclei (AGN), galaxies which have a supermassive black hole at their centers spewing vast amounts of energy out into space. This artist's conception shows what an AGN might look like: matter falling into the black hole spirals around in a disk, heated to incredible temperatures as it falls in. The heated matter glows, not only in the colors of visible light, but also in x-rays. Two jets of high-energy particles shoot out of the disk, propelled by the enormous energy of the central black hole.

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Imagine the Universe is a service of the High Energy Astrophysics Science Archive Research Center (HEASARC), Dr. Alan Smale (Director), within the Astrophysics Science Division (ASD) at NASA's Goddard Space Flight Center.

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Acting Project Leader: Dr. Barbara Mattson
All material on this site has been created and updated between 1997-2012.

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