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Thursday, 23 October 2014

Aktive Sonne

Energiereicher Strahlungsausbruch auf der Sonne am 22. Oktober 2014, beobachtet am Observatorium Kanzelhöhe der Uni Graz

Energiereicher Strahlungsausbruch auf der Sonne am 22. Oktober 2014, beobachtet am Observatorium Kanzelhöhe der Uni Graz

Die Aufnahme der Sonne in weißem Licht zeigt einen der größten Sonnenflecken der letzten Jahre. Fotos: Uni Graz / Observatorium Kanzelhöhe

Die Aufnahme der Sonne in weißem Licht zeigt einen der größten Sonnenflecken der letzten Jahre. Fotos: Uni Graz / Observatorium Kanzelhöhe

Uni Graz registriert enormen Strahlungsausbruch: weitere Funkstörungen zu erwarten

Das Observatorium Kanzelhöhe der Karl-Franzens-Universität Graz hat gestern, 22. Oktober 2014, um 16 Uhr einen der stärksten solaren Strahlungsausbrüche der letzten zehn Jahre registriert. In der Folge waren Funkstörungen – etwa Radio-Ausfälle – bemerkbar. Bis morgen sind weitere Störungen zu erwarten. „Wir haben gestern bereits erste Warnmeldungen veröffentlicht“, erklärt Assoz. Prof. Dr. Astrid Veronig, Leiterin des Observatoriums. „Im Laufe der nächsten Woche rechnen wir weiterhin mit turbulentem Weltraumwetter. Verantwortlich dafür ist eine derzeit sehr aktive Gruppe von Sonnenflecken.“ Die Quelle des gestrigen Strahlungsausbruches war ein riesiger Sonnenfleck – eine dunkle und kühle Region auf der Sonne, die von starken Magnetfeldern dominiert wird. In diesen Magnetfeldern steckt die Energie, die in Sonneneruptionen freigesetzt wird. Die WissenschafterInnen der Uni Graz analysieren derzeit die außergewöhnlichen Vorgänge im All im Detail.

Das Observatorium Kanzelhöhe für Sonnen- und Umweltforschung der Universität Graz ist das österreichische Warnzentrum für Weltraumwetter und die zentrale Beobachtungsstation für   Strahlungsausbrüche von der Sonne im neu etablierten Weltraumwetterprogramm der Europäischen Weltraumagentur ESA.  Warnmeldungen basieren auf der automatischen Echtzeit-Erkennung von Strahlungsausbrüchen und werden täglich auf der europäischen Weltraumwetterseite der ESA publiziert:  Das Observatorium Kanzelhöhe informiert auch laufend zum aktuellen Stand unseres Weltraumwetters und zur Sonnenaktivität unter weltraumwetter.at

created by Dagmar Eklaude

Related news

Learning better: Can science experiments in group settings help children with autism?

How can pupils with autism spectrum disorder (ASD) have positive learning experiences and improve their social skills? Researchers at the University of Graz are investigating how science experiments in group settings can contribute to this. Initial results from the project, which is funded by the Austrian Science Fund FWF, show that children react differently depending on the kind of neurodiversity, but that experimentation classes with the right setting definitely have potential. "Pupils with ASD can do more than is currently expected of them in many cases," says project leader Uwe Simon.

Sustainability Award 2024 for two projects of the University of Graz

How do major international conferences reduce their carbon footprint? And what can maths lessons contribute to education for sustainable development? Two questions that were answered at the University of Graz. The corresponding projects were awarded the Sustainability Award 2024 in silver on 26 November in Vienna. This award for Austria's universities and colleges is presented by the Ministry of Science and the Ministry of Climate Protection.

Bees under observation: University of Graz provides unprecedented insights into the hive

What is going on in the combs? How many eggs is the queen laying? How much honey is there? Autonomous robots and AI algorithms provide important data and high-resolution real-time images from inside a beehive. "As part of an international team, we have developed a game-changer technology for a new type of digitalised behavioural research," reports biologist Thomas Schmickl from the Artifical Life Lab at the University of Graz. The publication, which has just appeared as the cover story in the journal "Science Robotics", describes the wealth of information that can be obtained from this unique research facility.

Research for healthy aging: FWF funds Cluster of Excellence "MetAGE" with 18 million euros

Six researchers from the Field of Excellence "BioHealth" at the University of Graz, together with colleagues from the Medical Universities of Graz and Vienna, have acquired an FWF-funded "Cluster of Excellence". Now a newly formed center of excellence will be created under the leadership of the University of Graz. The aim is to gain a better understanding of healthy aging. The findings will flow directly into clinical research.

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