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Galaxy

Simulation of a collision between two stars. Simulations by Dr. Tal Alexander, Weizmann Institute of Science
16.10.2002
The scientists tracked, for the first time, a star completing an orbit around a known unusual source of radiation (a...
Bureau Of Missing Masses
01.06.1997
One of the most intriguing mysteries of astrophysics is the so-called "missing mass" problem: the mass of heavenly...