... photo are members of the long-known but underappreciated star cluster Ruprecht 147 ... were born out of the same cloud of gas and dust approximately 2-billion years ago ... The astronomers have identified this cluster as a potentially important new ...
... Abell 520 shows the aftermath of a complicated collision of galaxy clusters, some of the most massive objects in the universe ... In this image, the hot gas detected by Chandra is red. ...
... The galaxy is producing powerful radio emissions, and it is the brightest galaxy in the proto-cluster. ... The green color is indicative of glowing hydrogen gas. The galaxy's clumpy appearance suggests it is still developing. ...
... These X-rays likely originate from hot gas in JKCS 041, which has been heated to a temperature of about 80 million degrees by the gravity of the massive cluster, said team member Stefano Andreon of the Osservatorio Astronomico di Brera. ...
... Galaxy clusters are massive congregations of galaxies that host huge reservoirs of hot gas the temperatures are so high that X-rays are produced. ...
... De Mello and her team propose that the star clusters in this diffuse structure might have formed from gas collisions and subsequent turbulence, which enhanced locally the density of the gas streams. ...
... The black hole is located in the center of a galaxy cluster named RX J1532.9+3021. ... Supersonic jets from the black hole have created large, expanding cavities in the hot gas. ...
... Evidence for an awesome upheaval in a massive galaxy cluster was discovered in an image made by NASA's Chandra X-ray ... The origin of a bright arc of extremely hot gas extending over two million light years requires one of the most energetic ...