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Dark matter: the Debate

Bethe-Kolloquium November 2010: Die Debatte.

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Das Bethe-Kolloquium an der Uni Bonn stellte im November 2010 das Konzept der "Dunklen Materie" zur Debatte. Vor über 300 Zuhörern trugen die Astronomie-Professoren Simon White (Garching) und Pavel Kroupa (Bonn) ihre Positionen vor. Prof. Dr. Hans Peter Nilles, Direktor des Bethe-Centers, moderierte die Veranstaltung. 
Dieser Videopodcast zeigt die Debatte der Professoren sowie Publikumsfragen und die Antworten. 

The November 2010 Bethe Colloquium presented a debate of the concept of “dark matter.” Astronomy professors Simon White of Garching and Pavel Kroupa of Bonn stated their positions in front of an audience of more than 300. Dr. Hans Peter Nilles, director of the Bethe Center and vice speaker of TR33, moderated the event which culminated in a debate. Uni-bonn.tv documented the colloquium in a number of podcasts. This video podcast shows the debate.

Kroupa hat die Existenz Dunkler Materie für das lokale Universum - also die Milchstraße und die hunderte von Galaxien in ihrer Nähe - untersucht. Er argumentiert,  die dort gemachten Beobachtungen seien mit der Standardtheorie weitgehend unvereinbar.  Das aktuelle kosmologische Weltbild sei damit nicht mehr haltbar, und die Physik  stehe nun vor der großen Herausforderung, eine neue kosmologische Theorie  zu entwickeln.
Simon White hält dagegen,  Dunkle Materie erkläre die weitaus meisten Beobachtungen im Universum hervorragend - angefangen von der Struktur der Galaxienhaufen und Galaxien bis zu Temperaturschwankungen in der kosmischen Hintergrundstrahlung.  Die Ablehnung des Konzeptes - und die dazu notwendige Modifikation der Newton'schen Gravitationsgesetze - ziehe dagegen viele Folgeprobleme nach sich.

Kroupa investigated the existence of dark matter in the local universe – that is, the Milky Way and its hundreds of nearby galaxies. He argued that observations made in this local universe were incompatible with the standard theory. He argued that the current cosmological world-view was no longer tenable and that physics was now faced with the great challenge of developing a new cosmological theory.

Weitere Information zum Bethe-Center finden Sie unter http://www.bctp.uni-bonn.de.

last modified 2011-03-09 11:09

     
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