For the first time, scientists have calculated the rotation speed of a supermassive black hole, and they found that it is spinning at nearly the speed of light, the limit of what is possible, according to Einstein’s Theory of Relativity. Measuring the spin rate of black holes provides valuable clues about their formation.

Science Bulletins is a production of the National Center for Science Literacy, Education, and Technology (NCSLET), part of the Department of Education at the American Museum of Natural History.

RELATED LINKS

NASA: NuSTAR Mission
nasa.gov/mission_pages/nustar/main/index.html

NuSTAR: Nuclear Spectroscopic Telescope Array
nustar.caltech.edu/

XMM-Newton Science Operations Center
xmm.esac.esa.int/

X-ray Telescopes
imagine.gsfc.nasa.gov/docs/science/how_l1/xray_telescopes.html

Black Holes: Gravity’s Relentless Pull
hubblesite.org/explore_astronomy/black_holes/

Black Holes: NASA Science
science.nasa.gov/astrophysics/focus-areas/black-holes/

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