The Royal GeographicalSociety of Queensland Ltd
Map Group Presentation
Five Deeps Expedition
Presented by Keith Treschman
This topic covers the attempt by one explorer, backed by his crew, to reach the deepest part of each of the 5 oceans in a submersible. How are the oceans demarcated? How does one measure these large depths? How does one determine the deepest part of an ocean?
Image: Victor Vescovo and his submersible "Limiting Factor"
Keith has taught Science for over 40 years in Queensland secondary schools. He holds a PhD in Astronomy, an area in which he is passionate. He has visited the 7 continents and enjoys geographical places, for example, Hawaii, Great Rift Valley of Africa, Galápagos Islands, Jordan River, Central Asia and Antarctica.
His past talks to the Map Group have been: a. Mapping the Night Sky; b. Areography (Geography of Mars); c. Struve Geodetic Arc; d. Seabed 2030; e. Life on Europa? An Application of Geography; f. Plate Tectonics; g. How the USA States got their Shapes
Costs: $5:00 which includes a special morning tea.
Limit: 35
Register and pay on the website
Coordinator: Kay Rees
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The Royal Geographical Society of Queensland Ltd.Level 1/28 Fortescue St, Spring Hill QLD 4000info@rgsq.org.au | +61 7 3368 2066ABN 87 014 673 068 | ACN 636 005 068
Patron Her Excellency the Honourable Dr Jeannette Young PSM, Governor of Queensland
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