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University of Graz News Die Suche nach neuen Welten

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Monday, 08 August 2016

Die Suche nach neuen Welten

SommerKinderUniGraz: Astrophysiker Hanslmeier ermöglichste den jungen Studierenden einen fachkundigen Blick zu den Sternen. Foto: Steirischer Hochschulraum/David Kinzer

SommerKinderUniGraz: Astrophysiker Hanslmeier ermöglichste den jungen Studierenden einen fachkundigen Blick zu den Sternen. Foto: Steirischer Hochschulraum/David Kinzer

Die SommerKinderUniGraz machte unter anderem bei Astrophysiker Hanslmeier Station

Während die "großen" in den Ferien sind, haben die jungen Studierenden in den vergangenen vier Wochen (11. Juli bis 5. August 2016) den Campus und die Hörsäle erobert. Die SommerKinderUniGraz ging auch an der Uni Graz über die Bühne. Bei wissenschaftlichen Kursen konnten die ForscherInnen im Alter zwischen acht und vierzehn Jahren vormittags das Gehirn, nachmittags beim Sportprogramm des USI die Muskeln trainieren.

Bei einem Workshop ermöglichte Astrophysiker Arnold Hanslmeier den jungen Studierenden einen fachkundigen Blick zu den Sternen. Auf dem astronomischen Turm des Physik-Institutes der Karl-Franzens-Universität konnten die Kinder den Himmel über ihren klugen Köpfen besser kennenlernen.

„Nur durch einen Blick auf einen Himmelskörper können Astronominnen und Astronomen viele wichtige Informationen ablesen“, erklärte Arnold Hanslmeier. „Die Farbe eines Sterns zeigt uns beispielsweise, wie hoch oder wie tief die Oberflächentemperatur dieses Sterns ist. Kühlere Sterne scheinen rot, während heißere Sterne hauptsächlich blau oder weiß auf uns wirken.“
Der Forscher erklärte auch die Dimensionen im All sehr anschaulich: „Nehmen wir einmal theoretisch an, wir hätten eine Rakete, welche die Entfernung zwischen der Erde und dem Mond in nur einer einzigen Stunde zurücklegen könnte.“ Und wenn die Reise weiter geht: „Dieselbe Rakete würde 17 Tage brauchen, um von der Erde zur Sonne zu fliegen. Und zum Stern Proxima Centauri, der unserer Sonne am nächsten von allen Sternen liegt, bräuchte diese Rakete 13.600 Jahre.“

created by David Kinzer

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The Nazi elite school Napola: Historian seeks memories and personal documents

They were to be brought up to become the future elite of National Socialism: boys and girls aged ten and over who, following the ‘Anschluss’ of Austria to the German Reich, attended a so-called Napola (short for Nationalpolitische Lehranstalt; also known as NPEA, Nationalpolitische Erziehungsanstalt). There were nine such institutions in what is now Austria between 1939 and 1945.

Heat-resistant: Eva Preinfalk explains how cities can protect their residents

Certain demographic and some occupational groups are particularly vulnerable to high temperatures. A range of measures is needed to provide relief for everyone, explains climate economist Eva Preinfalk.

Baby health: University of Graz is seeking study participants to investigate early risk factors

Why does the body composition of babies vary so much? Some children gain a significant amount of fat mass within a few weeks, whilst others show hardly any change over the same period. “At the same time, initial observations suggest that fat distribution in all babies may follow a similar pattern, regardless of their total body fat,” explains Marco Höfler from the Institute of Movement Sciences, Sport and Health at the University of Graz. He is coordinating the research project ‘Small Bodies – Big Questions’, for which participants are currently still being sought: pregnant women and babies up to four weeks old.

In hot water: New Report reveals record losses in glaciers, permafrost and snow cover

Climate change is driving up temperatures not only in summer. Winters are also getting warmer – with dramatic consequences for glaciers, permafrost, snow cover and the freezing of lakes. The recently published cryosphere report provides specific figures for Austria. “Our monitoring shows a clear trend with record losses of ice and snow,” says project leader Wolfgang Schöner from the University of Graz.

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