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This is Government Attic's posting of a 1969 Library of Congress annotated bibliography, UFOs and Related Subjects, compiled by Lynn E. Catoe for the Air Force Office of Scientific Research. The Defense Technical Information Center released it under FOIA in November 2014. The bibliography lists more than 1,600 items and was requested to support the University of Colorado UFO study led by Edward U. Condon. Its preface concludes that no simple, single explanation of the UFO phenomenon applies to all cases.
“UFO Files”16 pages
Drake, W. Raymond. Is our sun inhabited? Flying saucer review, v. 5, Nov. -Dec. 1959: 15-17. Author summarizes theori~s on the nature of the sun and speculates that the heat and light reaching earth from it might be provided by methods other than nuclear explosion on the sun itself. Habitability would then be within the realm oi possibility. -----. Mercury, Jupiter, and others: can life exist? Flying saucer review, v. 6, Sept. -Oct. 1960: 18-22. Survey of facts and speculations on possibility of life on Mercury, Jupiter and lesser known bodies in earth's solar system. Ecosphere may shape life on distant planets. Science nf:wsletter, v. 8u, Oct. 21, 1961: 272. Harrison, Philip. The case for the missing planet. Flying saucers, Aug. 1967, 16-18. Discussion of the thel)ry that there was once a planet in our solar system between the orbits of Mars <!nd Jupiter. The asteroid belt beyond the planet Mars might represent fragments of this exploded planet, author speculates. Heard, J. F. The physical nature of the planets and their probable course of evolution. Canadian aeronautical journal, v. 5, May, 1959: 184-186, Hoyle, Fred. Man in the universe. New York and London, Columbia University Press, 1966, 81 p. In astronomy, the author says, we are faced by contradictions. Not all the apparent data of the moment can be correct; we do not know which fragments are right and which are wrong~ Because we cannot experiment with the universe, we live in a kind of shifting uncertainty, shifting because as the years pass the balance of certainty of a given piece cf data changes, Huang, Su-Shu. The sizes of habitable planeh;. Publications of the Astronomical Society of the Pacific, v. 72, Dec. 1960: 489-493, Conditions necessary for a habitable planet are reviewed. It is tentatively concluded that a habitable planet most likely will have a radius lying between 1, 000 and 20, 000 km. It is also suggested that the rate of biological evolution on a planet may increase with its surface area if other conditions are equal. -----. Some astronomical aspects of life in the universe. Sky and telescope, v. 21, June 1961: 312-316, 235
Document, cited by the archive. The PDF is mirrored here; the original link is under it. 419 pages are in the text index: search them above, or from the library's search.