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March 1, 2020

7 March 1831

The Royal Astronomical Society receives its Royal charter from King William IV. The society was founded in 1820 as the Astronomical Society of London to promote astronomical research. At that time, most members were 'gentleman astronomers' rather than professionals. In 1915 A Supplemental Charter granted by...

June 3, 2019

The long and short of it….. the orbital period of comets can range from long period comets like Comet McNaught, 92,700 years, to Comet Encke that zips around the Sun every 3.3 years.

Comet Hyakutake holds the record of having the longest tail, at a length of 560 million kilometres. This is almost double the size of the...

May 31, 2019

13th June 1983   

Pioneer 10 becomes the first human-made object to pass outside Pluto's orbit and leave the solar system. It was the farthest human-made object in existence until Voyager 1 exceeded its range in February 1998. It continues its journey through interstellar space heading in the general direction of A...

April 30, 2018

19 May 1910 Earth passes through the tail of Comet Halley. Despite the superstitious

belief of impending doom no catastrophes occurred. The Comet appears

every 75-76 years, the last time was in 1986, the next approach will be in

July 2061. The photo above of Comet 1P/Halley as taken March 8, 1986 by W. Liller, Easter Isla...

March 5, 2018

Women have contributed to astronomy in many ways in Australia and International Women's Day is a timely reminder that their contributions have often been overlooked by historians, or not well noted during their lifetime. My research for this blog post has focussed on three of the women who were admitted to the New Sout...

13 March 1781                  

Uranus discovered by Sir William Herschel. It expanded the known boundaries of the solar system becoming the first planet to be discovered with a telescope.

28 March 1917...

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March 31, 2020

February 3, 2020

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