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Tag: Segev BenZvi

Rochester cosmology group has all eyes on dark energy

Rochester cosmology group has all eyes on dark energy

November 25, 2019

Next year the Dark Energy Spectroscopic Instrument, known as DESI, will begin to capture data from 35 million galaxies and 2.4 million quasars. And it’s the job of Rochester’s newly formed cosmology group to keep the telescope’s 5,000 fiber optic cables correctly aimed at their targets, ultimately creating the most detailed 3-D map of the universe ever made.

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Researchers detect high-energy radiation from ‘weird’ star system

Researchers detect high-energy radiation from ‘weird’ star system

November 14, 2018

Rochester researchers are part of an international collaboration of scientists that has, for the first time, detected extremely high-energy gamma rays from one of the most powerful star systems in the Milky Way.

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In the mystery of positrons, dark matter is leading suspect

In the mystery of positrons, dark matter is leading suspect

November 16, 2017

Scientists at the HAWC Gamma Ray Observatory have ruled out two pulsars as the source of an unexpectedly large presence of positrons in our corner of the galaxy. Could they come from something more complex and exotic: dark matter?

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