Stars

Galileo Galilei sketched the Praesepe star cluster (now known as the Beehive Cluster) in 1610.Octavo Corp./Warnock Library

Were stars artistically depicted with diffraction spikes before the invention of the Newtonian reflector?

Were stars artistically depicted with diffraction spikes before the invention of the Newtonian reflector? If so, why? Stars were being drawn with points or spikes long before Isaac Newton announced his reflecting telescope in 1671. Just look at early works of art, flags, ancient coins, and the charts of the Pleiades and Praesepe star clusters…