This category is for life made out of something other than ordinary matter.
These exotic life forms may be based on atoms, but arranged in forms other than the regular states of matter (solid, liquid, gas and plasma) such as neutron-rich fluids of pulsars, or the immaterial singularity of a black hole. They may be made of particles other than electrons, protons and neutrons; including substances that may account for what is known as dark matter. They might exist entirely or partially outside our tridimensional space, or belong to alternate universes and realms where the laws of physics differ. They might be made of antimatter, or some yet-undiscovered essence; or they might be combinations of any of the above. One step further and you have energy life.
SEE ALSO - Species with Indeterminate Biochemistry
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