November 3, 2012 ESO 243-49, a large spiral galaxy in Phoenix Image Credit: NASA, ESA and S. Farrell (University of Sydney) ESO 243-49 is a large edge-on spiral galaxy, located about 290 million light-years away from Earth in the southern constellation Phoenix. It is speeding away from us at about 6639 kilometers per second. Towards [continue reading]
Observations with CSIRO’s Australia Telescope Compact Array have confirmed that astronomers have found the first known “middleweight” black hole. Galaxy ESO 243-49, about 300 million light-years away, is home to the newly found black hole. Credit: NASA, ESA and S. Farrell (University of Sydney) Outbursts of super-hot gas observed with a CSIRO radio telescope [continue reading]