The Aqualagon ® has an incredible total surface area of 9000 m2 and is the biggest water park in Europe to be heated entirely with geothermal energy. (mummymummymum.com)
Lake Turkana National Parks are constituted of Sibiloi National Park, the South Island and the Central Island National Parks, covering a total area of 161,485 hectares located within the Lake Turkana basin whose total surface area is 7 million ha. (whc.unesco.org)
That seemed to imply that particles in the disk had an unexpectedly low total surface area — as they would if the disks contained particles as large as a few centimeters across, co-author Henry Throop says. (sciencemag.org)