• Former head of Backhaus Working Group on Physics Education (Campus Essen) until 31^st July, 2011

Research Interests

• Physics education

• Experimental physics

• Dynamic systems

• Astronomy

Current Research

Transit of Mercury, 2019
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Astronomical phenomena

Astrometry, especially

• Orbit determination of the maior planets by simple means,
• Determination of the sun's parallax,
• Measurements of trigonometric parallaxes of stars, for instance of Barnard's star and 61 Cyg  

Astronomy On-Line: Measuring the Distance to the Sun

Astronomy On-Line: Measuring the Distance to the Sun - Final Report

Experiments for physics teachers

Astronomical Laboratory Exercises 

Photographing the moon and measuring its distance

Observing, Photographing and Evaluating the Transit of Venus 2004

Theory of Relativity:

• The appearance of fast moving objects

International Year of Astronomy 2009

• The horizontal Position of the Sun and the Shape of the Earth
• The Distance to the Moon

The transit of Venus 2012

Transit of Mercury 2016

Astronomy and internet in the Ruhr-area

Publications

List of typical publications