Boundaries between the continents of Earth Boundaries between the continents of Earth The boundaries between the continents of Earth are generally a matter of geographical convention. Several slightly different conventions are in use. The number of continents is most commonly considered seven but may range as low as four when the Americas and Afro-Eurasia are each considered a single continent. According to the definition of a continent in the strict sense, an island cannot be part of any continent, but by convention and in practice most major islands are associated with a continent. There are three overland boundaries subject to definition: While the isthmus between Asia
The Last Continent The Last Continent The Last Continent is a fantasy novel by British writer Terry Pratchett, the twenty-second book in his "Discworld" series. First published in 1998, it mocks the aspects of time travel such as the grandfather paradox and the Ray Bradbury short story "A Sound of Thunder". It also parodies Australian people and aspects of Australian culture, such as the "Crocodile Dundee", "The Adventures of Priscilla, Queen of the Desert" and "Mad Max" movies, the Australian beer XXXX, Vegemite, thongs, cork hats, the Peach Melba, "Skippy the Bush Kangaroo", the Henley-on-Todd Regatta, and the popular Australian songs "Waltzing Matilda",