XMM-Newton Stories
X-ray Satellite XMM-Newton Sees ‘Space Clover’ in a New Light
Astronomers have discovered enormous circular radio features of unknown origin around some galaxies. Now, new observations of one dubbed the Cloverleaf suggest it was created by clashing groups of galaxies. Studying these structures, collectively called ORCs (odd radio circles), in…
NASA Scientists Discover a Novel Galactic ‘Fossil’
Researchers at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, have discovered X-ray activity that sheds light on the evolution of galaxies. The X-rays outline giant clouds of cold gas in the nearby spiral galaxy NGC 4945. The gas appears…
X-ray Satellite XMM-Newton Celebrates 20 Years in Space
Two decades ago, on Dec. 10, 1999, an Ariane 5 rocket climbed into the morning sky from Kourou, French Guiana. It carried into orbit the X-ray Multi-Mirror Mission (XMM-Newton), the largest scientific spacecraft yet built by ESA (European Space Agency)…