July 31, 2013 NGC 6217, a spiral galaxy in Ursa Minor Image Credit: NASA, ESA, and the Hubble SM4 ERO Team NGC 6217 (also known as Arp 185) is a barred spiral galaxy of only about a third the diameter of our Milky Way galaxy, located about 67.2 million light-years away from Earth in the [continue reading]
February 3, 2013 Abell 2125, a galaxy cluster in Ursa Minor Image Credit: NASA/CXC Abell 2125 is a galaxy cluster that lies about 3 billion light-years away from Earth in the constellation of Ursa Minor, and is seen at a time about 11 billion years after the Big Bang, when many galaxy clusters are believed [continue reading]
A team of American, Canadian and Chilean astronomers have stumbled onto a remarkably faint cluster of stars orbiting the Milky Way that puts out as much light as only 120 modest Sun-like stars. The tiny cluster, called Muñoz 1, was discovered near a dwarf galaxy in a survey of satellites around the Milky Way using [continue reading]