Did you know? Mercury
The planet Mercury has the greatest variation in temperature of all of the planets. During the day the temperature rises to 4300 C but...
top of page
Skywatchers Blog posts
Did you know?
Search
Elizabeth Cocking
Mar 30, 20181 min read
In this month - April 2018
28 April 1686 Isaac Newton presents his book Principia to the Royal Society. Widely regarded as one of the greatest works in the history...
Dr Toner Stevenson
Mar 5, 20185 min read
Cecilia Maclellan, Edith Deane & Lucy Gullett: Three case studies of women in amateur astronomy
Women have contributed to astronomy in many ways in Australia and International Women's Day is a timely reminder that their contributions...
Elizabeth Cocking
Mar 3, 20181 min read
Did You know? Moons & Andromeda Galaxy
All of Uranus’ moons (NASA image above taken by Voyager) are named after characters from Shakespeare and Alexander Pope plays. For...
Elizabeth Cocking & Dr Toner Stevenson
Feb 25, 20181 min read
In This Month - March 2018
13 March 1781 Uranus discovered by Sir William Herschel. It expanded the known boundaries of the solar system becoming the first planet...
Monty Leventhal OAM
Feb 2, 20182 min read
Solar Observations for January 2018
"The lowest Sunspot and group count I have ever made...' The solar disc was still clear of Sunspot from last December 2017 to the 4th...
Elizabeth Cocking
Feb 1, 20181 min read
Did you know? - size and density
Kepler 7B, a newly found giant exoplanet, has the density of a styrofoam cup. Betelgeuse, a star in the Orion Nebula (photo above) which...
Elizabeth Cocking
Jan 31, 20181 min read
In this Month - February 2018
Supernova1987A, Image: ESA/NASA 18 February 1930 Clyde Tombaugh discovers Pluto. 23 February 1987 Supernova 1987A...
Monty Leventhal OAM
Jan 4, 20182 min read
Solar observations for December 2017
The lack of solar activity over December and months prior brings a question to the writers mind. Are we heading for another Maunder...
Elizabeth Cocking
Jan 1, 20181 min read
Did you know? - Mercury
A day on the planet Mercury is twice as long as its year. Mercury rotates very slowly but orbits the Sun at 180,000 km/h Mercury orbits...
bottom of page