The Center for the Study of Extra-Terrestrial Intelligence (CSETI) defines 'CE-5' or 'close encounters of the fifth kind' as human-initiated contact and communication with extraterrestrial life.

Authors

• Person: Not available Organization: Wikipedia
  Steven M. Greer - Wikipedia

Sources

• Steven M. Greer - Wikipedia en.wikipedia.org Wikipedia via serper

Referenced by nodes (3)

• CE-5 protocol concept
• Center for the Study of Extra-Terrestrial Intelligence entity
• extraterrestrial life concept