[CvGmt News] [Notiziario] [Settimanale] avviso Colloquio della Classe di Scienze, Prof. Jacqueline N. Hewitt (20.03.2019)

[Valeria Giuliani]

*Colloqui della Classe di Scienze *

*Anno Accademico 2018/2019*

*Scuola Normale Superiore*

Pisa

Mercoledì  20 marzo 2019
ore 15:00

Sala Stemmi
Palazzo della Carovana

*Prof. **Jacqueline N. Hewitt *

(Massachusetts Institute of Technology)


Terrà un seminario dal titolo:


 *“**Looking for the First Stars**”*



*Abstract:*

Over the past several decades, the scientific pursuit of “precision
cosmology” has led to the currently accepted paradigm of a universe that
began in a dense, hot, nearly uniform state, and subsequently expanded and
cooled through dynamics controlled by dark matter and dark energy.  Within
this framework, however, there are still many unanswered questions.  One
question is the process through which galaxies, stars, planets, and
ultimately life emerged from the primordial soup.  Theoretical physicists
are building models of the emergence of structure and, aided by today’s
powerful computers, are making remarkably detailed predictions.
Experimental physicists are building large telescopes that are sensitive
enough to detect signals from objects so far away that we are seeing them
as they were thirteen billion years ago, when the first stars and most
chemical elements were just starting to form.  This lecture will describe
some of the first confrontations between the theories and the measurements,
with a focus on the large radio telescopes that detect distant hydrogen gas
to trace the formation of structure.



Classe di Scienze


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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