SEMINAR:
  Let There Be Light: The Observational Quest for the First Galaxies
  - A seminar by Prof. Richard Ellis (European Southern Observatory/University College London) as part of the de Laeter colloquium series (joint ICRAR/CASS event)
		
Mon, 12 Jun 2017 15:00 - Woolnough Lecture Theatre - Geology Department GGGL: [ 107]
		
Prof. Richard Ellis
The first billion years after the Big Bang represent the final
observational frontier in assembling a coherent picture of cosmic
history. During this period early stars and galaxies formed and the
Universe became bathed in ultraviolet light. Hydrogen in the
intergalactic medium also transitioned from a neutral gas to one that
was fully ionized. How and when did this `cosmic reionisation’ occur and
were star-forming galaxies the primary agents? Recent measurements by
the Planck satellite suggest reionisation occurred later than originally
envisaged and this raises the exciting prospect that we may be able to
directly observe the first galaxies. Deep exposures with Hubble provides
evidence that star-forming galaxies were present during the relevant
period. Spectroscopy is now required to address these important
questions. I will review the rapid progress being made with current
facilities, and the prospects with the James Webb Space Telescope and
the ELT.
		
URL: https://www.icrar.org/de-laeter-colloquium/june2017/
		
For more information:
  Luca Cortese
  luca.cortese@uwa.edu.au

Starts       : Mon, 12 Jun 2017 15:00
Ends         : Mon, 12 Jun 2017 16:00
		
Last Updated : Mon, 05 Jun 2017 15:59