This month we feature…. Nebula (plural Nebulae) Latin for “cloud”. The image above is of the great Orion Nebula - this is an object you...

28 July 1919 The International Astronomical Union (IAU) is formed. This is an international association of professional astronomers...

This month we feature …. The Constellations (latin for “set of stars”) There are 88 constellations in the western astronomy night sky...

03 June 1769 the transit of Venus was observed from Tahiti and recorded by Captain James Cook, astronomer Charles Green, botanist Joseph...

Sydney City Skywatchers combined with Sydney Observatory and thousands of others at Centennial Park on Wednesday 23rd May 2018, 7:00...

Every morning, when our Sun is shining, our astronomy society president, Monty Leventhal, sets up his two telescopes to make solar...

The 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...

19 May 1910 Earth passes through the tail of Comet Halley. Despite the superstitious belief of impending doom no catastrophes occurred....

The planet Mercury has the greatest variation in temperature of all of the planets. During the day the temperature rises to 4300 C but...

28 April 1686 Isaac Newton presents his book Principia to the Royal Society. Widely regarded as one of the greatest works in the history...