nov 232013
Infant Galaxies Merging Near ‘Cosmic Dawn’

  Astronomers using the combined power of the Atacama Large Millimeter/submillimeter Array (ALMA) telescope and NASA’s Hubble Space Telescope have discovered a far-flung trio of primitive galaxies nestled inside an enormous blob of primordial gas nearly 13 billion light-years from Earth. This composite image reveals the structure of Himiko, an object representing the merger of [continue reading]

feb 272013
Largest and Most Distant Reservoir of Water Yet Discovered

  Water really is everywhere. Two teams of astronomers, each led by scientists at the California Institute of Technology (Caltech), have discovered the largest and farthest reservoir of water ever detected in the Universe. Looking from a distance of 30 billion trillion miles away into a quasar—one of the brightest and most violent objects in [continue reading]