Are the Hometrees in James Cameron’s Avatar Structurally Possible?

Rowan Reynolds, Chris Ringrose, Robbie Roe


In James Cameron’s Avatar, the Hometree is a sacred home for the Na’vi clans. These “trees” are said to be made of several thinner trees which have grown together to form a larger structure, suitable for its inhabitants. On Earth, the largest trees are significantly smaller (by almost a third). This paper concludes that factors such as reduced gravity result in only 22,100 N m-2­ of compression, low enough to allow the tree to stand. 

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Avatar (2009) Director: James Cameron. Distributed by 20th Century Fox.

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Patterson, D.W. & Doruska, P.F. (2013) Landowner’s Guide to Determining Weight of Standing Hardwood Trees, Agriculture and Natural Resources. University of Arkansas, Division of Agriculture. Available at: [Accessed 25/03/2016]

Avatar Wiki (2016) Pandora, Available at: [Accessed 25/03/2016] (2016) Wood Beams – Strength of Material. Available at: [Accessed 25/03/2016]


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