Anton Pannekoek Institute for Astronomy
University of Amsterdam
Science Park 904, rm. C4.115
1098 XH Amsterdam, Netherlands
T +31 20 525 7478/7491
I work at the interface of Astrophysics and Astroparticle Physics, and am interested in a variety of problems relating to the accretion process especially around black holes, both big and small.
As of January 2015 I ended my stint as Director of the Master’s Program in Astronomy & Astrophysics (2011-2014).
Sometimes people ask if black holes work like a vacuum cleaner, which can empty the whole universe, starting with the surrounding stars. We know that it is not true: the gravitation works roughly in the same way for solar-mass black hole and the Sun (talking about the space above solar radius from the black hole). The black … Continue reading →
Ok, I realize that my language here is a bit politically incorrect, but sometimes you just can’t say it any other way.
Prof. Fiona Harrison kicks ass! She’s professor and the current department chair at the Astronomy/Physics Dept at Caltech, one of the top universities in the world. But more importantly, she designed a friggin’ space X-ray observatory, that had …Read More →