Ramchandran, R.2012-03-082012-03-082011-07-02http://hdl.handle.net/11007/909Evidence of a gamma-ray burst picked up by a NASA spacecraft has scientists wondering what mighty cosmic event could have caused it.enGamma-rayNASA spacecraftCosmic crashActive galactic nucleiBurst Alert TelescopeSuper massive black holeStarGalaxyArticle