Far from a random phenomenon, the regular rotation of 29 February into our calendar every four years – with some exceptions! – is based on calculations developed centuries ago. Dr Brad Tucker. astrophysicist at the ANU, explains the science behind the leap year.
Space lovers are in for a treat on Tuesday night, 8 November, when a blood moon will grace Australia's skies, causing the Earth's only natural satellite to glow a spectacular reddish colour. Â
