Aspects of physics
Constellations
- Planisphere - voor - front - Africaans (3.3M)
- Planisphere - agter - back - Africaans (4.6M)
Cosmology
- Hunting for Clues in the Dark Cosmos - Poster (2.0M)
Earth and Moon
- Determining the distance to the moon and the nearest star to the sun -
problem, answer - Alexandrian astronomy -
Finding the size of the Earth, Moon and Earth-Moon distance using a lunar eclipse - Why don't I fall off the Earth?
- How big is the Earth?