Science, Maths & Technology
Clavius - a lunar mystery
...centre of the Solar System – these included Ptolemy and Tycho (who espoused a hybrid model). Riccioli named the most spectacular crater of all after his predecessor, the German astronomer and mathematician Christoph Klau Clavius (1538 - 1612). At over 230 km in diameter Clavius with its curving chain of secondary craters is one of the most distinctive and imposing...