photospheric oscillations

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• Hannes Alfvén — Infobox Scientist name = Hannes Olof Gösta Alfvén imagesize = 180px birth date = birth date|1908|5|30|mf=y birth place = Norrköping,Sweden death date = death date and age|1995|4|2|1908|5|30 death place = Djursholm, Sweden field = Plasma physics… …   Wikipedia

• Physical Research Laboratory — The Physical Research Laboratory is a national Indian centre for research in space and allied sciences, supported mainly by Department of Space. This research laboratory currently has ongoing research programmes over astronomy and astrophysics,… …   Wikipedia