Ice Fishing for Neutrinos

The IceCube observatory in Antarctica detects nearly weightless neutrinos as they zip through the ice, setting off flashes as they hit water molecules. Neutrinos are generated by black holes, exploding stars and other violent events in space. Photo Credit: Sven Lidstrom, National Science Foundation

Frontiers of Science Lecture Series

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Oct. 21, 2013 –University of Wisconsin physicist Francis Halzen will speak about “Ice Fishing for Neutrinos” during the University of Utah’s next Frontiers of Science Lecture at 6 p.m. Wednesday, Oct. 23 at The Leonardo museum, 209 East 500 South in Salt Lake City.

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Nearest Bright ‘Hypervelocity Star’ Found

An astrophysicist-artist's conception of a hypervelocity star speeding away from the visible part of a spiral galaxy like our Milky Way and into the invisible halo of mysterious "dark matter" that surrounds the galaxy's visible portions. University of Utah researcher Zheng Zheng and colleagues in the U.S. and China discovered the closest bright hypervelocity star yet found. Photo Credit: Ben Bromley, University of Utah

Speeding at 1 Million mph, It Probes Black Hole and Dark Matter

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May 7, 2014 – A University of Utah-led team discovered a “hypervelocity star” that is the closest, second-brightest and among the largest of 20 found so far. Speeding at more than 1 million mph, the star may provide clues about the supermassive black hole at the center of our Milky Way and the halo of mysterious “dark matter” surrounding the galaxy, astronomers say.

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2014 Newsletter - Print Version

For a print version of the latest Spectrum newsletter, please click here.