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Did you know? Gamma Rays & Gamma Ray Bursts.
Blamed for turning Bruce Banner into the Incredible Hulk, Gamma Rays and Gamma Ray Bursts are the most energetic and luminous...
Elizabeth Cocking
Mar 9, 20201 min read
In this month: March
7 March 1831 The Royal Astronomical Society receives its Royal charter from King William IV. The society was founded in 1820 as the...
Elizabeth Cocking
Mar 1, 20203 min read
Did You Know? Jupiter's Great Red Spot
This month . . . Jupiter’s Great Red Spot. The most powerful storm in the solar system, so large Earth can fit inside it, still baffles...
Elizabeth Cocking
Feb 8, 20201 min read
Professor Dick Hunstead, a friend of Sydney Observatory
Professor Richard (Dick) Hunstead died on Thursday 30 January 2020 at the age of 76 after a short illness. He was a widely respected...
Dr Nick Lomb
Feb 7, 20203 min read
Solar Observations: January 2020
Sunspot activity for the month of January remained extremely low however, on the 3rd January a single Axx spot was observed of the new...
Monty Leventhal OAM
Feb 5, 20201 min read
Astronomical connections: Dalrymple, Halley and Cook
It is now 250 years since James Cook and the crew and scientists on the Endeavour sighted the shoreline of the land we now call...
Garry Dalrymple
Jan 18, 20203 min read
Did you know? Dwarf stars
This month . . . Dwarfs. No, not Snow White and her seven companions. Dwarf stars. They come in a variety of colours and are the last...
Elizabeth Cocking
Jan 13, 20201 min read
In this month: January
7 January 1610 Galileo discovers four moons orbiting the planet Jupiter. Looking at what he thought were a group of stars, he noted the...
Elizabeth Cocking
Dec 31, 20192 min read
Did You know? the North Star
DID YOU KNOW This month . . . The North Star The North Star or Pole Star is located close to the north celestial pole, the point around...
Elizabeth Cocking
Dec 24, 20191 min read
In this month: December
11th December 1972 Apollo 17, the last of the Apollo missions, lands on the Moon. Eugene Cernan, commander of Apollo 17, still holds the...
Elizabeth Cocking
Dec 1, 20193 min read
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