Knowledge Tree
Philip Morrison
Facts (7)
Sources
Extraterrestrial life - Inters.org inters.org 2 facts
claimGiuseppe Cocconi and Philip Morrison advised listening to frequencies adjacent to the neutral hydrogen emission line at 21 cm (1420 MHz) because its intensity and diffusion throughout the cosmos make it a suitable reference point for other technological civilizations.
claimGiuseppe Cocconi and Philip Morrison suggested the theoretical possibility of terrestrial instruments receiving electromagnetic flux densities from space comparable to those emitted by Earth's radio transmissions in 1959.
Communication with Extraterrestrial Intelligence | Centauri Dreams centauri-dreams.org Jul 31, 2012 2 facts
imagePhilip Morrison (1915-2005) co-authored a paper that established early parameters for the field of SETI, specifically regarding the use of radio methods for interstellar communication.
referenceGuiseppe Coconni and Philip Morrison published a landmark paper in the journal Nature in 1959, which established the paradigm that radio waves are the most efficient method for technological civilizations to communicate between stars, after they considered and rejected gamma rays.
UFOs and the U.S. government: The push towards greater ... - WBUR wbur.org Nov 14, 2023 2 facts
quotePhilip Morrison, one of the inventors of the SETI field, stated: “Either we’re alone in the universe or we’re not, and either possibility boggles the mind.”
quotePhilip Morrison, an inventor of the SETI field, stated: “Either we’re alone in the universe or we’re not, and either possibility boggles the mind.”
UFOs and the U.S. government: The push towards greater ... - LAist laist.com Nov 14, 2023 1 fact
quotePhilip Morrison, one of the inventors of the SETI field, stated: “Either we’re alone in the universe or we’re not, and either possibility boggles the mind.”