Astronomers' Bulletin July to September '24
Our quarterly magazine features significant events in astronomy, members observations and tips for amateur astronomers. Download and read...
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Toner Stevenson
Jul 191 min read
Astronomical book shelves
by Toner Stevenson Many Sydney City Skywatchers members are avid readers and much of our discussion before and after our in person...
Toner Stevenson
Jul 181 min read
Our active Sun! July 2024
Sydney City Skywatchers member Garry Dalrymple has been observing sunspot activity lately with a small aperture telescope fitted with a...
Toner Stevenson
Jul 161 min read
First Knowledges Astronomy: Sky Country
I found this book compelling because Noon and De Napoli, both Indigenous astronomers, combine their Western scientific knowledge with...
Ann Cairns
Jul 151 min read
The Measure of All Things: The Seven-Year Odyssey and Hidden Error That Transformed the World
This is the story of two intrepid scientists who for the good of France and all mankind set out on a mission to measure the earth during...
Toner Stevenson
Jul 141 min read
Dark Skies and Indigenous Rights in Aotearoa New Zealand, Monday 5 August, 6:30pm.
Presentation on dark sky and Indigenous rights.
Toner Stevenson
Jul 132 min read
Dr Caroline Foster : Why do galaxies slow down as they age?, Monday 2 September, 6:30pm
Presented at Sydney Observatory and on-line. Comparing the rotation and random motions of stars and gas in galaxies at different...
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