Posters available in 20*30cm, 30*45cm and 40*60cm
Excellent quality photographic paper
Venus-centred view of Mars at Venus/Earth conjunctions, beginning 30 March 2001,
800 times, period ca. 1,278.9 years. The bright points represent the planetary positions.
The red lines are the successive connections between two positions. Copyright 2010 by Keplerstern Verlag; Hamburg
Detailed explanation, pdf-file