[CvGmt News] avviso Colloquio della Classe di Scienze, prof. Richard Ellis (23.11.2016) -reminder

[Valeria Giuliani]

Valeria Giuliani
Scuola Normale Superiore
Servizio alla Didattica e Allievi
tel. 050 509260
Piazza dei Cavalieri, 7
56126 Pisa
E-mail: valeria.giuliani at sns.it
E-mail: classi at sns.it

2016-11-09 9:36 GMT+01:00 Valeria Giuliani <valeria.giuliani at sns.it>:

> *Colloqui della Classe di Scienze*
>
>
>
> Mercoledì 23 novembre 2016
> ore 15:00
>
>
>
> *Scuola Normale Superiore*
>
> Pisa
>
> (Sala degli Stemmi)
>
>
> *Prof. * *Richard Ellis*
>
> *(European Southern Observatory and University College London)*
>
>
> Terrà un seminario dal titolo:
>
>
>
> *“Let There Be Light: The Observational Quest for the First Galaxies”*
>
>
>
> *Abstract:*
>
> *The first billion years after the Big Bang can be regarded as 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 for the first time. Sometime during this period
> hydrogen in the medium inbetween galaxies also transitioned from a neutral
> gas to one that was fully ionized. How and when did this `cosmic
> reionization’ occur and were early star-forming galaxies the primary
> agents?  Recent measures by ESA's Planck satellite suggest
> that reionization was a rapid process occurring later than originally
> envisaged. This development raises the exciting prospect that we may be
> able to directly observe the first galaxies. Deep exposures with the Hubble
> Space Telescope have provided the primary evidence that star-forming
> galaxies were present during the relevant period. Detailed spectroscopy of
> these galaxies is now required to address these important questions. I will
> review the rapid progress being made in this area with current facilities,
> and the prospects with upcoming ones, including the James Webb Space
> Telescope due for launch in 2018 and extremely large
> ground-based telescopes now under construction.  *
>
>
>
> Tutti gli interessati sono invitati a partecipare.
>
>
>
> Classe di Scienze Matematiche e Naturali
>
>
> Valeria Giuliani
> Scuola Normale Superiore
> Servizio alla Didattica e Allievi
> tel. 050 509260
> Piazza dei Cavalieri, 7
> 56126 Pisa
> E-mail: valeria.giuliani at sns.it
> E-mail: classi at sns.it
>
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