15th August 1977 The Wow! signal is received by the Big Ear radio telescope at Ohio State University. The original record, preserved by...

Garry Dalrymple, Sydney City Skywatchers historian, is an avid TROVE searcher, currently ‘mining’ the 1895 to 1930 articles from the...

The disc shaped asteroid belt is located between Mars and Jupiter at a distance ranging from 329-478 million kilometres from the Sun. ...

In March 2005 I visited Macquarie University with Dr Nick Lomb, who was then Curator of Astronomy and Sydney Observatory. In a large shed...

Presented by Dr Ian Kemp Monday 2 August 2021 6:30pm ​ This talk is about “UGSU cataclysmic variables” - one of the most interesting...

Monday 6th September 2021 6:30 to 8pm ​ Presented by Rick Benitiz. Rick Benitiz is Professor Emeritus of Philosophy at the University of...

In this issue: Missing Dark matter, Omega Centauri, Solar Observations and NGC2516.

Monty Leventhal OAM Summing up for the month of June 2021; Sunspot activity at the start of Cycle 25 once again has remained very low...

29th July 1851 The asteroid Eunomia is discovered by Italian astronomer Annibale de Gasparis. It is the 12th largest object in the main...

Planetary Defense entails detecting, monitoring, understanding, and mitigating near-Earth objects. They are small objects in our solar...