Eyre Lacuna

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Synthetic aperture radar mosaic of Titan's north polar region, showing hydrocarbon seas and lakes

Eyre Lacuna is a feature on Saturn's largest moon, Titan, believed to be a currently dry bed of an intermittent hydrocarbon lake.

When full, the lake would be composed of liquid methane and ethane.[1] It was detected in 2007 by the Cassini–Huygens space probe.

Eyre Lacuna is located at coordinates 72.6°N and 225.1°W on Titan's globe and is 25.4 km in diameter.[2] It is named after Lake Eyre, an intermittent lake in Australia.[2]


  1. ^ Coustenis, A.; Taylor, F. W. (21 July 2008). Titan: Exploring an Earthlike World. World Scientific. pp. 154–155. ISBN 978-981-281-161-5. 
  2. ^ a b "Eyre Lacuna". USGS planetary nomenclature page. USGS. Retrieved 2013-12-28.  External link in |work= (help)