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Most of Earth’s land is currently in the northern hemisphere because we happen to exist in a time where uneven heating in the mantle has pushed many continental plates northward.
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To learn more about this topic, start your googling with these keywords:
- Continental drift: An early theory of land movement that posited that the continents floated on the ocean bed.
- Tetrahedral hypothesis: An early theory that attempted to explain the arrangement of Earth’s continents and oceans based on the geometry of a tetrahedron.
- Plate tectonics: The generally accepted theory that the Earth’s surface is made up of a series of tectonic plates that slowly move around on top of the mantle.
- Pangea: The most recent supercontinent to form on Earth, during the late Paleozoic era.
- Great Rift Valley: A series of contiguous geographic trenches between two tectonic plates where humans first evolved.
- Aurica: A potential future supercontinent predicted to form in about 200 million years.
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David Goldenberg | Script Writer, Narrator and Director
Lizah van der Aart | Illustration, Video Editing and Animation
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REFERENCES
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Yoshida, M., Hamano, Y. (2015). Pangea breakup and northward drift of the Indian subcontinent reproduced by a numerical model of mantle convection. Scientific Reports 5, 8407. Retrieved from: https://doi.org/10.1038/srep08407
Morton, M.C. (2017). When and how did plate tectonics begin on Earth? Earth Magazine. Retrieved from: https://www.earthmagazine.org/article/when-and-how-did-plate-tectonics-begin-earth/
Fisher, R. (2022). How the next supercontinent will form. BBC Future. Retrieved from: https://www.bbc.com/future/article/20220401-how-the-next-supercontinent-will-form
Maslin, M. (2013). How Climate Change and Plate Tectonics Shaped Human Evolution. Retrieved from: https://www.scientificamerican.com/article/how-climate-change-and-plate-tectonics-shaped-human-evolution/
Green, W.L. (1875). Vestiges of the Molten Globe. Retrieved from: https://archive.org/details/vestigesmolteng00greegoog