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Bessel to Gaia: Parallax comes full circle
Königsberg Observatory (left) where Friedrich Wilhelm Bessel made the first successful distance measurement to a star other than the Sun...
Dirk Goës
Feb 165 min read
Solar and stellar quakes: 3 March 6:30pm (via Zoom)
Presented by Dr Alina Donea, Monash University The Sun, courtesy NASA When the Sun unleashes a huge burst of electromagnetic radiation in...
Dirk Goës
Feb 112 min read
Astronomers' Bulletin Jan to March '25
An astronomy-related quarterly magazine with tips and observations by members.
Janette Brennan
Feb 61 min read
Double star astrometry: how good is it?: Mon 3 February, 6:30pm.
Astronomy talk about double star research.
Dirk Goës
Jan 82 min read
How do we know that the universe is expanding and accelerating?
A short explanation An image from a video visualisation of the expanding and accelerating universe ( Credit : NASA's Goddard Space Flight...
Dirk Goës
Jan 711 min read
Sydney City Skywatchers 130th Anniversary Celebration seminar and dinner
Celebration of 130 years of astronomy
Dirk Goës
Dec 30, 20242 min read
Astronomers' Bulletin Oct to December '24
An astronomy-related quarterly magazine with tips and observations by members.
Janette Brennan
Nov 6, 20241 min read
Astronomy videos
See below for my astronomy videos that I have created over the last 2-3 years. Episode 1 - Comets Episode 2 - Black Holes Episode 3 -...
Robert Luxford
Oct 30, 20241 min read
End of 2024 Celebration, Mon 2 Dec, 6:30pm
There have been many astronomical events this year including our return to Sydney Observatory, the auroras that have been visible from...
Dirk Goës
Oct 18, 20241 min read
Assoc Prof Milena Radnovic: The beauty of geometry in astronomy, Monday 4 November, 6:30pm.
In this illustrated talk mathematician, Milena Radnovic, will explore how astronomy and geometry developed together by ingenious human minds
Dirk Goës
Sep 25, 20241 min read
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