Category: Geology
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Ophir Gold Fields
The discovery of commercial amounts of gold at this site in 1851 precipitated a gold rush, and transformed the colony. We have only recently learned that this heavy metal is created during the collision of two neutron stars, in what is called a kilonova.
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Orroral Geodetic Observatory
The Orroral Geodetic Observatory, established in 1974, was crucial for Australia’s satellite laser ranging program, enhancing geodesy by measuring Earth’s shape and gravity. It facilitated precise distance measurements to satellites vital for understanding tectonic movements and contributing data for climate change and geological studies. Operations ceased in the 1990s.
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Geoscience Australia
Geoscience Australia is the statutory public sector agency which advises government, industry and the public on Earth Sciences. It carries out research, maintains the national minerals museum, undertakes a wide range of research and pubic outreach, and supports a satellite ground station network. Most of its data is available online.
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Transit of Venus Walk
The family-friendly Transit of Venus Walk in Woodford, NSW, celebrates the 1874 Transit observations at the nearby Woodford Academy site. The track showcases the Blue Mountains’ natural beauty, encourages reflection on advances in our understanding of the universe, and reminds us how inhospitable Planet Venus is compared to Planet Earth.
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My Seven Sisters Dreaming
Merrill Findlay reflects on the cultural significance of the Pleiades star cluster and Seven Sisters Ridge, in Wiradjuri Country. Her story explores the impacts of colonisation, including the loss of life and knowledge, with particular reference to the 1824 declaration of martial law by British astronomer and colonial Governor, Sir…
