All Blackholes are Equal
June 20, 2008 on 1:06 am | In Black Holes | No Comments
NASA image of M81
Big blackholes are just like small ones according to the latest data from NASA’s Observatory and ground-based telescopes. The discovery supports Einstein’s theory of relativity that black holes of all sizes have similar properties. The conclusion comes from results of the galaxy M81 – 11 million light-years away. The M81 blackhole is millions of times bigger than Sol. One of the implications of Einstein’s theory is that black holes are simple objects and only their masses and spins determine their effect on space-time. This research suggests that this simplicity manifests itself regardless of environmental factors.
Stellar mass black holes have a different source of food and acquire material by pulling gas from an orbiting companion star. But the results show that either big or little, black holes appear to feed similarly and produce a similar distribution of x-rays and radio light. Among the active blackholes the one in M81 is one of the dimmest but also one of the brightest as seen from Earth due to its proximity.
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