10/30 Tycho Brahe realised that the heavens change, and that a planet's orbit could be predicted
9/30 Copernicus had the crazy idea that the Earth was not at the centre of the universe.
8/30 Heather Couper considers the Islamic scholar, poet and mathematician, Omar Khayyam.
7/30 Ptolomy wrote 13 volumes listing over 1000 stars and 48 constellations around AD 150.
6/30 Greek philosopher Thales thought natural forces cause natural disasters, not acts of gods.
5/30 Ancient associations of the cosmos with deities, and astrology's link to mathematics.
4/30 The history of astrology began as a way of advising rulers on their military campaigns.
3/30 How our ancestors mapped the stories of their mythology onto the constellations in the sky
2/30 Astronomer Heather Couper on the importance of the sun to ancient agrarian society.
1/30 Astronomer Heather Couper charts the history of our growing understanding of the universe.