Götz Gräfener und Armagh Observatory Person-Info 

( Ich bin Götz Gräfener)
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Solitary Super Star-3 Million Times Brighter Than the Sun | Space |...

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[1] The VFTS 682 analysis was led by Jorick Vink, Götz Gräfener and Joachim Bestenlehner from the Armagh Observatory,. [2] The name VFTS ...
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