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Karl Gebhardt PhD MS
Austin, TX United States

Dr. Gebhardt is an expert in Formation and evolution of galaxies, dynamics of stellar systems; study of black holes and supermassive black holes, dark energy & dark matter.

astronomer planets astronomy galaxy galaxies solar system dark matter dark energy black holes supermassive black holes evolution of galaxies formation of galaxies stellar systems space sun moon eclipses solar eclipse lunar eclipse origins of life big bang