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SUMMARY:Cosmic Dawn and 21-cm Cosmology: From Theoretical Concepts to Monu
 mental Observations - Rennan Barkana (Tel Aviv)
DTSTART:20151127T113000Z
DTEND:20151127T123000Z
UID:TALK61037@talks.cam.ac.uk
CONTACT:Martin Haehnelt
DESCRIPTION:Understanding the formation and evolution of the first stars a
 nd galaxies represents one of the most exciting frontiers in astronomy. Si
 nce the universe was filled with hydrogen atoms at early times\, the most 
 promising observational probe is the redshifted 21-cm spectral line of hyd
 rogen. The "cosmic dawn" era was in fact rich with astrophysics\, and shou
 ld have left a number of distinct observational signatures. It was all con
 sidered speculative when I helped pioneer the theoretical predictions a de
 cade ago\, but there is now an enormous observational effort (in which I a
 m involved within the Square Kilometre Array) that promises to finally con
 front theory with data and begin the exploration of a new cosmic era.
LOCATION:Kavli LMR\, IoA
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