| http://www.w3.org/ns/prov#value | - These proposals have been popularized, particularly in the latter half of the 20th century, by writers Erich von D??niken, Zecharia Sitchin, Robert K. G. Temple, and David Icke.[3] Ancient astronauts have been widely used as a plot device in science fiction, but the idea that ancient astronauts actually existed is not taken seriously by most academics, and has received little or no credible attent
|
