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Astronomy/Space Science



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Astronomy / Space Science - Continuing Education - 07.11.2016
The birth of massive stars is accompanied by strong luminosity bursts
The birth of massive stars is accompanied by strong luminosity bursts
Astronomers of the Universities of Tübingen and Vienna are investigating the basic principles of the formation of stars "How do massive stars form?" is one of the fundamental questions in modern astrophysics, because these massive stars govern the energy budget of their host galaxies.

Astronomy / Space Science - Physics - 17.03.2016
Austrian nanosats yield first research results
Austrian nanosats yield first research results
TUGSAT-1/BRITE-Austria and UniBRITE, Austria's first satellites in space, celebrate their third birthday. "Astronomy & Astrophysics" publishes three papers with the ESA-missions latest results. Photographic material available for download at the end of the text. . "BRITE stands for BRIght Target Explorer.

Astronomy / Space Science - 05.02.2016
"Cannibalism" between stars
Stars do not accumulate their final mass steadily, but in a series of violent events manifesting themselves as sharp stellar brightening. According to this theory of Eduard Vorobyov from the University of Vienna, stellar brightening can be caused by fragmentation due to gravitational instabilities in massive gaseous disks surrounding young stars, followed by migration of dense gaseous clumps onto the star.