Aliens

The Earth is not the only planet in the universe populated by sentient life. The universe is teeming with other life forms the number of which is incalculable. Because the denizens of Earth have not yet perfected a practical faster-than-light stardrive enabling interstellar travel, the majority of the alien races encountered by Earth people are those races who have mastered interstellar travel themselves and have visited Earth. Due to the fact that the Earth's solar system is near a natural warp-space access point there has been a high incidence of alien visitation since before human life first appeared. Indeed, numerous advanced civilizations left outposts on Earth during prehistory.

The majority of the alien races documented here have humanoid configurations; bilaterally symmetrical, upright posture, two arms, two legs, brain located in head. Some are astonishingly similar to the human race being virtually indistinguishable until the cellular level. Other races resemble humanoid versions of other Earthly animals such as lizards, skunks, insects, fish and so on. The reason for this staggering similarity in phenotypes among races evolving on countless worlds separated by millions of light years is not known. The most common theory is that of a first race which travelled to millions of worlds seeding their own gene.

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