... gas and black hole form an active galactic nucleus, the brightest and most distant ... The prodigious energy output of active galactic nuclei can affect the evolution of ...
... Rapidly spinning stars explain dark matter signal from galactic center . Moon was produced by head-on collision . ... Moon was produced by head-on collision . Dark matter affects architecture of galaxy clusters . ...
... The galactic center hosts a supermassive black hole in the region known as ... molecular gas and dust surrounds the galactic center and occupies the innermost 15 ... around or flows towards Sgr A*, in collisions between gas clouds or in material ...
... supported by visible-light and X-ray observations of a colossal collision between two galaxy clusters called the Bullet Cluster ... The galactic grouping has become an example of how dark matter should behave. ...
... years north and south of the galactic center," said Doug Finkbeiner from the Harvard ... includes a particle jet from the supermassive black hole at the galactic center ...
... They are used by scientists as a standard against which to validate theories of galactic evolution. ... and Wide Field Planetary Camera 2 to observe individual stars spawned by the colossal cosmic collision in the Antennae Galaxies ...