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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

Related news

Jurassic Sounds: Biologist reconstructs insect songs from 165 million years ago

It was apparently not just the roars of the dinosaurs that made up the soundscape of the animal world during the Jurassic period. Crickets and grasshoppers communicated through a variety of songs and high-pitched sounds, as Thorin Jonsson from the Institute of Biology at the University of Graz discovered together with colleagues from the universities of Lincoln, Bristol (UK), Beijing (China) and Tempe (USA). The findings on what are so far the oldest traces of sound on Earth have just been published in the journal PNAS.

EU funding boosts international exchange between universities

The University of Graz is further expanding its international study opportunities through the European university alliance Arqus and is taking the lead in two key projects. In future, students will benefit from even more joint degree programmes and from simplified recognition of academic achievements through the Joint European Degree Label.

Rescue and risks: Researchers have surveyed public perceptions of AI

The use of artificial intelligence has had to be made transparent since 2 August 2026. The EU’s AI Act, which has been in force since then, also sets out how risky an application is and which security measures apply as a result. However, the assessment of risks by the legislation differs in some cases significantly from the perceptions of the Austrian public. This is the finding of a representative study carried out by data scientist Stefan Thalmann from the University of Graz and his team.

The Healing Sea: Researchers discover new approaches to treating chronic inflammation in sponges

Chronic inflammation plays a key role in many diseases, ranging from metabolic disorders and cardiovascular diseases to tissue damage following injuries or infections. “Normally, the body is able to resolve inflammation on its own. If this process becomes unbalanced, immune cells remain permanently active and continue to drive negative changes in the tissue,” explains Andreas Koeberle, a pharmacist at the University of Graz.

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