BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
BEGIN:VEVENT
SEQUENCE:0
UID:UW-Physics-Event-3180
DTSTART:20140123T213000Z
DURATION:PT1H0M0S
DTSTAMP:20260419T194006Z
LAST-MODIFIED:20140113T140815Z
LOCATION:4421 Sterling Hall
SUMMARY:A trillion times beyond visible: Astronomy with the Cherenkov 
 Telescope Array\, Astronomy Colloquium\, Prof Justin Vandenbroucke\, U
 W Physics Department
DESCRIPTION:In the past decade\, gamma-ray astronomy has entered a gol
 den age.  In the GeV energy range\, the Fermi Gamma-ray Space Telescop
 e has discovered surprising new sources and classes of sources\, provi
 ded strong evidence that Galactic cosmic rays are produced by supernov
 a remnants\, and set strong constraints on the nature of dark matter. 
  The Cherenkov Telescope Array (CTA) will make similar breakthroughs a
 t energies a thousand times higher.  CTA will consist of dozens of ima
 ging atmospheric Cherenkov telescopes detecting gamma rays with energy
  between 30 GeV and 300 TeV.  CTA will have a broad science program in
 cluding elucidating the origins of Galactic and extra-galactic cosmic-
 rays and the mechanisms of particle accelerators much more powerful th
 an those on Earth\, detecting or constraining dark matter particle int
 eractions in situ in the cosmos\, and measuring the energy spectrum of
  cosmic-ray electrons and positrons.
URL:https://www.physics.wisc.edu/events/?id=3180
END:VEVENT
END:VCALENDAR