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Q&A

The Heptapods from ( The Arrival )

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In the movie, Arrival, there is an advance alien race that arrives on are planet, with a few landing in specific places.

The aliens species are called "heptapods" (by our standards). They have 7 appendages that they use for locomotion, with each having 3 major separate bones in them. At the end of each appendage, there is a point that can split into 7 starfish like fingers. Their full body is massive, standing at a full 33 ft (10 m) tall with no visible eyes or mouth, however there are 5 to 7 orifices that serve an unknown purpose. They also seem to have a upper body that is heavily distorted an is held up by 7 appendages.

Their bodies do however sport a head-like protrusion at the top of themselves. Much like humans, their physique varies, with one a bit chubbier than the other. The bodies of the heptapods are a dull grey color and seemingly sports a rough looking texture.

The heptapods speak in a low pitched thrumming noise that can't be deciphered by humans. Their written language seems to consist of circular shapes that consist of a ink like substances that is shot out of the appendages.

The heptapods never leave their ships, meaning that the species physically can't handle our atmosphere. In the ship, their is a room separated by a glass like material, behind it resides the aliens supposed home-worlds atmosphere. The aliens supposed atmosphere seems to allow for the species to essentially fly through it, the density allows for the atmosphere to act somewhere between a liquid and a gas.

What the question is asking for:

Could such a species ever feasibly exist

picture showing a heptapod with standing 33 feet/10 metres tall. For reference, six humans each 5 foot 4 inches/1.63 metres are shown stacked next to it one on top the other

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This post was sourced from https://worldbuilding.stackexchange.com/q/165318. It is licensed under CC BY-SA 4.0.

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