Category Archives: Astronomers in the Middle Ages

All solar instruments, however, have one difficulty in common, and it cannot be overcome, even by the most careful adjustment. They are useless at night. In order to give K-K-Katie some better way of making dates than “When the Moon shines over the c-c-cowshed,” astronomers in the Middle Ages used the pointers of the seven star Great Bear (Ursa Major,… (more…)