... Sgr A: Fast Stars Near the Galactic Center . ... Shown above is a time-lapse movie in infrared light detailing how stars in the central light-year of our Galaxy have moved over the past eight years. ... Astronomers interpret these observations as strong evidence that the center of our Galaxy is home to a very massive black hole. ... Publications with keywords: black hole - Galactic Center - Sgr A . Publications with words: black hole - Galactic Center - Sgr A . ... The Annotated Galactic Center . ...