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The morning dance of the planets
Sidewalk Astronomy in the times of COVID-19 As an inner-city dweller who loves astronomy, I have found that one can still enjoy...
Ann Cairns
Apr 1, 20201 min read
In this month: April
12 April 1633 The inquisition of Galileo by the Roman Catholic church begins. He was ordered to turn himself in to the Holy Office to...
Elizabeth Cocking
Apr 1, 20202 min read
Did you know? Meteor showers...
Every month there is a focus on an astronomical phenomenon by Sydney City Skywatchers' Secretary, Elizabeth Cocking. This month Elizabeth...
Elizabeth Cocking
Mar 27, 20202 min read
Did you know? Gamma Rays & Gamma Ray Bursts.
Blamed for turning Bruce Banner into the Incredible Hulk, Gamma Rays and Gamma Ray Bursts are the most energetic and luminous...
Elizabeth Cocking
Mar 9, 20201 min read
In this month: March
7 March 1831 The Royal Astronomical Society receives its Royal charter from King William IV. The society was founded in 1820 as the...
Elizabeth Cocking
Mar 1, 20203 min read
Did You Know? Jupiter's Great Red Spot
This month . . . Jupiter’s Great Red Spot. The most powerful storm in the solar system, so large Earth can fit inside it, still baffles...
Elizabeth Cocking
Feb 8, 20201 min read
Professor Dick Hunstead, a friend of Sydney Observatory
Professor Richard (Dick) Hunstead died on Thursday 30 January 2020 at the age of 76 after a short illness. He was a widely respected...
Dr Nick Lomb
Feb 7, 20203 min read
Solar Observations: January 2020
Sunspot activity for the month of January remained extremely low however, on the 3rd January a single Axx spot was observed of the new...
Monty Leventhal OAM
Feb 5, 20201 min read
Astronomical connections: Dalrymple, Halley and Cook
It is now 250 years since James Cook and the crew and scientists on the Endeavour sighted the shoreline of the land we now call...
Garry Dalrymple
Jan 18, 20203 min read
Did you know? Dwarf stars
This month . . . Dwarfs. No, not Snow White and her seven companions. Dwarf stars. They come in a variety of colours and are the last...
Elizabeth Cocking
Jan 13, 20201 min read
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