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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 to have blasted through the galaxy after its central supermassive black hole erupted some 5 […] ....

Edmund Hodges Kluck , Black Holes , Galaxies Stars Black Holes , Science Research , Spiral Galaxies , Supermassive Black Holes , Xmm Newton ,

NASA's Fermi Detects Surprise Gamma-Ray Feature Beyond Our Galaxy

Astronomers analyzing 13 years of data from NASA’s Fermi Gamma-ray Space Telescope have found an unexpected and as yet unexplained feature outside of our galaxy. “It is a completely serendipitous discovery,” said Alexander Kashlinsky, a cosmologist at the University of Maryland and NASA’s Goddard Space Flight Center in Greenbelt, who presented the research at the […] ....

Cosmic Background Explorer , Cosmic Microwave Background , Origin Evolution Of The Universe ,

Hubble Views a Vast Galactic Neighborhood

This image from the NASA/ESA Hubble Space Telescope features a richness of spiral galaxies: the large, prominent spiral galaxy on the right side of the image is NGC 1356; the two apparently smaller spiral galaxies flanking it are LEDA 467699 (above it) and LEDA 95415 (very close at its left) respectively; and finally, IC 1947 sits along the […] ....

Astrophysics Division , Spiral Galaxies ,