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[124.02] The end of the Dark Ages : First Light and Reionization

M. Stiavelli (STScI, Baltimore)

I will review the present knowledge on the reionization of hydrogen and first light. I will begin with a brief review of our theoretical understanding, describing the basic physical ingredients leading to the formation of the first sources of light and their observable properties as well as the expected properties of the sources responsible for the reionization of hydrogen. I will then discuss the present observational constraints and the possible results from ongoing efforts. Finally, I will highlight a possible approach to this problem by JWST and describe the likely contributions that JWST will be able to make.

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Bulletin of the American Astronomical Society, 35#5
© 2003. The American Astronomical Soceity.