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Astronomy picture of the day

NGC 7023: The Iris Nebula

Star of the Week

  • 1 AND 4 CEN (1 and 4 Centauri)

    another two-for one special. The stars of Centaurus (the Centaur) have an odd naming history. The letters look as if Bayer had done his usual job in his great atlas, the Uranometria, Greek letters first then lower then upper case Roman. However, he could not see most of the constellation... ... Full Details



Composite image of the gravitational lens SDP.81 showing the distorted ALMA image of the more distant galaxy (<span class='red'>red</span> arcs) and the Hubble optical image of the nearby lensing galaxy (<span class='blue'>blue</span> center object). By analyzing the distortions in the ring, astronomers have determined that a dark dwarf galaxy (data indicated by white dot near left lower arc segment) is lurking nearly 4 billion light-years away. Credit: Y. Hezaveh, Stanford Univ.; ALMA (NRAO/ESO/NAOJ); NASA/ESA Hubble Space Telescope

  • Illinois Astronomers Help Discover 'Dark Galaxy'

    A team of researchers, including astronomers at the University of Illinois, have uncovered the existence of a dwarf "dark galaxy" lurking nearly 4 billion light-years away from Earth. The discovery was made using the Blue Waters supercomputer at the National Center for Supercomputing Applications. ... Full Details

  • Graduates Students win Awards

    Several graduate students have won awards recently. Erin Cox and Dominique Segura-Cox have won the Graduate College Academic Excellence and Good Citizenship Award. Andrew Nadolski is one of the winners of the 2016 NSF Graduate Fellowship. Miguel Holgado won a DOE NNSA Stewardship Science Graduate F ... Full Details

  • New Evidence for Near-Earth Supernova Explosions Test Illinois Astronomers' Predictions

    Evidence of two near-Earth supernova explosions appears in the current issue of Nature. Prof. Brian Fields discusses these new findings and how nearby supernovae could affect the Earth. ... Full Details

  • Prof. Joaquin Vieira Named to Far IR Surveyor Definition Team

    Joaquin Vieira, Assistant Professor of Astronomy and leader of the Observational Cosmology Laboratory at Illinois, has been named to the Science and Technology Definition Team for NASA's upcoming Far IR Surveyor, one of four flagship astronomy missions selected for the 2020 Decadal Survey. ... Full Details

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