Elizabeth CockingMay 22, 20181 minGuinness World Record AttemptSydney City Skywatchers combined with Sydney Observatory and thousands of others at Centennial Park on Wednesday 23rd May 2018, 7:00...
Monty Leventhal OAMMay 12, 20182 minSolar Observations for April 2018Every morning, when our Sun is shining, our astronomy society president, Monty Leventhal, sets up his two telescopes to make solar...
Elizabeth CockingMay 1, 20181 minDid you know? - the planetsThe Earth is not a sphere ! It is an oblate spheroid. Due to its rotation it bulges out at the equator about 43 km more than at the...
Elizabeth CockingApr 30, 20181 minIn this month - May 201819 May 1910 Earth passes through the tail of Comet Halley. Despite the superstitious belief of impending doom no catastrophes occurred....
Elizabeth CockingMar 31, 20181 minDid you know? MercuryThe planet Mercury has the greatest variation in temperature of all of the planets. During the day the temperature rises to 4300 C but...
Elizabeth CockingMar 30, 20181 minIn this month - April 201828 April 1686 Isaac Newton presents his book Principia to the Royal Society. Widely regarded as one of the greatest works in the history...