The Dish Redux – from the Apollo Mission to Earth surveying

Peter Smith Lecture 2019 – Dr. Lucia McCallum

Whether we are talking about climate change, sea level rise or the exploration of natural resources, “Earth measurement” and “precise positioning” have long found their way into our daily vocabulary. Fundamental to all those applications is an accurate, stable, and accessible coordinate system. Today’s best coordinate reference is generated from a multitude of modern Earth surveying techniques, one of them making use of black holes as the most stable pillars of the Universe.

The Hobart radio telescope, once designed as part of the Apollo Missions, nowadays plays a crucial role to measure our dynamic Earth. This is a diverse task of managing old and new technology, establishing truly global collaboration, and performing innovative research delivering encouraging results.

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