Looking to the skies.

Today, astrology is big business. Yet despite its popularity, I don’t expect governments to start depicting astrological events on their coins and banknotes anytime soon. But around the time of Jesus’s birth, such depictions on the currency of the Roman Empire were commonplace. It is this historical fact that led the astronomer and ancient-coin collector Michael Molnar to speculate on what might have prompted the Magi mentioned in St Matthew’s Gospel to go on an expedition in search of a king.