Search results
Results From The WOW.Com Content Network
Frank first approached Schmidt to discuss how to detect alien civilizations via their potential impact upon climate through the study of ice cores and tree rings. They both realized that the hypothesis could be expanded and applied to Earth and humanity due to the fact that humans have been in their current form for the past 300,000 years and ...
Proponents cite ancient mythologies to support their viewpoints based on the idea that ancient creation myths of gods who descend from the heavens to Earth to create or instruct humanity are representations of alien visitors, whose superior technology accounts for their perception as gods.
Xenoarchaeology, a branch of xenology dealing with extraterrestrial cultures, is a hypothetical form of archaeology that exists mainly in works of science fiction. The field is concerned with the study of the material remains to reconstruct and interpret past life-ways of alien civilizations.
Tall, scaly humanoids. Reptilian humanoid beings date back at least as far as Ancient Egypt, with the crocodile-headed river god Sobek. The reptilian conspiracy theory has been advocated by David Icke. Rods [20] or skyfish: Elongated visual artifacts appearing in photos and video recordings, sometimes claimed to be extraterrestrial beings.
You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.
Astrobiologists wonder if we’re not the first advanced civilization on Earth. It might seem like pure speculation, but it’s an important thought experiment.
The atmosphere of Earth is rich in nitrogen dioxide as a result of air pollution, which can be detectable. The natural abundance of carbon, which is also relatively reactive, makes it likely to be a basic component of the development of a potential extraterrestrial technological civilization, as it is on Earth.
The paper, which is a preprint and awaiting peer review, amounts to an update to the Drake equation, a probabilistic model used to estimate the number of extraterrestrial civilizations in the ...