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Kernschein durchleuchtet Sterngeburt

Astronomen entdecken in Molekülwolken ein neues Phänomen

(PresseBox) (München, )
Die Geburt der Sterne liegt buchstäblich im Dunkeln: Tief im Innern von Gas- und Staubwolken, aus denen keine sichtbare Strahlung nach außen dringt, beginnt Materie unter der eigenen Schwerkraft zu kollabieren. Jetzt haben Forscher, unter anderem aus dem Max-Planck-Institut für Astronomie in Heidelberg, in vielen solchen Wolken entdeckt, dass Infrarotlicht an größeren Staubteilchen gestreut wird. Das dadurch erzeugte und von den Astronomen "Kernschein" getaufte Phänomen liefert Informationen über die frühesten Phasen der Sternentstehung. (Science, 24. September 2010).

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