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At the University of Namibia, Dr Backes predominantly teaches 4^th year undergraduate (Advanced Electrodynamics, Astrophysics, also Optics) and MSc courses (Astro- & Space Physics, Research Methodology) and is the departmental coordinator for undergraduate projects as well as . Further, he supervises BSc(Hons), MSc, and PhD project students at the University of Namibia and at the Centre for Space Research, North-West University, Potchefstroom (South Africa).

47 lectures since July 2013:

• Physics for Physical Sciences I, 1^st year; 4+3 hr (3x)
• Physics, for Physical Sciences II, 1^st year; 4+3 hr (3x) 
• Electronics (I), 2^nd(/3^rd) year, 2+1.5 hr (4x)
• Optics, 2^nd year, 2+1.5 hr (1x)
• Modern Physics, 3^rd year, 4 hr (1x)
• Advanced Electrodynamics, 4^th year, 2+1.5 hr (9x)
• Astrophysics, 4^th year, 2+1.5 hr (10x)
• Optics and Laser Physics, 4^th year, 2+1.5 hr (1x)
• Astro- & Space Physics, M.Sc., 4 hr (5x)
• Mathematical Methods for Nuclear Science, M.Sc., 4 hr (2x)
• Research Methodology & Project Proposal, M.Sc., 2 hr (3x)