Postdoctoral researcher, Institut für Astrophysik Göttingen.
16 If we count Avogadro's Number of stars that are closest to Earth, how big that space would be? sep 10
8 What is the exact mass of the Sun? dec 20
4 Pulsation Modes of Cepheids jul 15 '14
3 What is star composition after formation aug 20 '14
3 Is it possible to extend the life of a star? aug 19 '14