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Louise Webster (1941-1990): the first astronomer to identify a black hole.
Celebrating Australian women in astronomy on International Womens Day
Toner Stevenson
Mar 7, 20255 min read
Solar activity this month: February 2025
Our active Sun in February 2025
Toner Stevenson
Feb 23, 20252 min read
Ghosts of the radio universe: new discoveries of faint circular objects using MeerKAT and ASKAP EMU. Monday 7 April, 6:30pm
This talk presented by Professor Miroslav D. Filipović at Sydney Observatory on 7 April, 6:30pm is about radio astronomy research.
Dirk Goës
Feb 19, 20251 min read
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 17, 20255 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 11, 20252 min read
Astronomers' Bulletin Jan to March '25
An astronomy-related quarterly magazine with tips and observations by members.
Janette Brennan
Feb 7, 20251 min read
Double star astrometry: how good is it?: Mon 3 February, 6:30pm.
Astronomy talk about double star research.
Dirk Goës
Jan 9, 20252 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 8, 202511 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 7, 20241 min read
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