This month . . . . Orion Named after the mythological Greek hunter, the constellation Orion is one of the most famous, and...

Every month there is a focus on an astronomical phenomenon by Sydney City Skywatchers' Secretary, Elizabeth Cocking. This month Elizabeth...

Blamed for turning Bruce Banner into the Incredible Hulk, Gamma Rays and Gamma Ray Bursts are the most energetic and luminous...

This month . . . Dwarfs. No, not Snow White and her seven companions. Dwarf stars. They come in a variety of colours and are the last...

This month ……. The Andromeda Galaxy (M31). On a collision course with the Milky Way it will be visiting us “shortly” The Andromeda Galaxy...

The Southern Cross is an iconic constellation steeped in our nation’s history and culture. The photograph in this post was taken by...

This month Pluto…. Once our ninth planet Pluto was demoted to “dwarf planet’ in 2006. However, with the New Horizons mission enigmatic...

This month we celebrate the 50th anniversary of Apollo 11 landing on the Moon with a few little known facts of the Apollo missions. Where...

The long and short of it….. the orbital period of comets can range from long period comets like Comet McNaught, 92,700 years, to Comet...

This month we feature the Royal Greenwich Observatory and the Prime Meridian – Where East meets West The Prime Meridian is arbitrary and...