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d c observatory
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Sun-Spot Drawings Made at the Georgetown College Observatory in 1850, September 20 to November 6
Benedict Sestini, Georgetown College Observatory (Washing, D C ) · Creative Media Partners, LLC
Sayfa sayısı yok · 2023
Kategori yok
Engineering study of the electrodynamic tether as a spaceborne generator of electric power
Mario D. Grossi, David A. Arnold, United States. National Aeronautics and Space Administration, George C. Marshall Space Flight Center., Smithsonian Astrophysical Observatory · Sine nomine
95 sayfa · 1984
Electrodynamics / Plasma electrodynamics