Black hole simulation  FEB 11 2010

Were you to be close to a black hole, this program shows you what you might observe.

The optical appearance of the stellar sky for an observer in the vicinity of a black hole is dominated by bending of light, frequency shift, and magnification caused by gravitational lensing and aberration. Due to the finite apperture of an observer's eye or a telescope, Fraunhofer diffraction has to be taken into account. Using todays high performance graphics hardware, we have developed a Qt application which enables the user to interactively explore the stellar sky in the vicinity of a Schwarzschild black hole. For that, we determine what an observer, who can either move quasistatically around the black hole or follow a timelike radial geodesic, would actually see.

For Linux and Windows only, although there are sample videos for non-downloaders or those on other machines.

Read more posts on kottke.org about:
black holes   physics   science

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