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Picture of the Day

Astronomy picture of the day

Milky Way above Atacama Salt Lagoon

Star of the Week

  • OMI HER (Omicron Herculis)

    As in real estate, for this star it's mostly "location, location, location." In southeastern Hercules, but closer to classical Lyra, Omicron Herculis lies within a set of stars that shows that Bayer used position as well as brightness when he assigned Greek letters on his great atlas, the Uranometria of 1603. Theory yields a mass of 3.5 times that of the Sun and shows Omi Herculis actually to be a subgiant that has just given up hydrogen fusion. ... Full Details

News

 

  • Summer 2014 Excellent Astronomy Teacher

    The Astronomy Department is pleased to announce that one of its members, Rukmani Vijayaraghavan, was named to the "List of Teachers Ranked as Excellent" for the Summer 2014 semester. Congratulations Rukmani! ...

  • Dark Energy Survey kicks off second season cataloging the wonders of deep space

    The Dark Energy Survey began its second year on August 15, after a successful first year. The hundreds of thousands of individual images of the sky taken during the first season are being analyzed by thousands of computers at the National Center for Supercomputing Applications at the University of Illinois at Urbana-Champaign, Fermi National Accelerator Laboratory (Fermilab), and Lawrence Berkeley National Laboratory. The processed data will also be released in coming months. ... Full Details

  • Hubble Finds Star System Linked to Possible 'Zombie Star' Supernova

    After decades of searching, astronomers have found for the first time ever the progenitor of a white dwarf supernova. The stellar explosion is located 110 million light years away from Earth. Assistant Professor Ryan Foley co-authored the article that appears in the August 7 issue of Nature ... Full Details

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