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Interacting binary stars
Stars that pull each other apart, merge, and explode A still from an animation simulating a thermonuclear explosion occurring on the...
Dirk Goës
Apr 2


Pretty as a pink partially eclipsed Moon!
Reports of the total lunar eclipse which occurred on 14 March 2025, as seen from eastern Australia.
sydneycityskywatch
Mar 14


Sydney City Skywatchers 130-year Anniversary
130th anniversary of astronomy society highlights
Andrew Wood
Mar 9


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


Solar activity this month: February 2025
Our active Sun in February 2025
Toner Stevenson
Feb 23


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 16


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 7


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, 2024


Vale Les Dalrymple (1962 - 2024)
By Jeff Portelli Les Dalrymple was passionate about astronomy, and an exceptionally knowledgeable and experienced amateur astronomer. He...
Jeff Portelli
Aug 23, 2024
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