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Questions tagged [xenobiology]

For questions related to the biology of extra-terrestrial organisms. This tag implies the use of the science-fiction tag. Use the science-based or hard-science tags to impose greater scientific restrictions (see warning in tag wiki). The goal of this tag is to answer the question using known science.

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Blood on this ammonia planet

I am currently building a planet that weighs about 4 earth masses and is 2.3 earth radii long. It is an ammonia planet (as the title suggests), and has ammonia oceans with some dissolved water ice, ...
Neil Iyer's user avatar
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5 votes
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Can a Pterosaur-style wing membrane attach directly to the exoskeleton?

art by ticklemecthulhu In my world of arthropod-like creatures (in that most of the creatures have an exoskeleton rather than an endoskeleton), I wished for a group of my aliens to convergely evolve ...
ProjectApex's user avatar
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