Extraterrestrial civilizations likely do not exist within 30-40 light years of the Sun, or if they do, they are unable or unwilling to respond to terrestrial signals, based on the time required for a radio signal to travel to a destination and return.

Authors

• Person: Not available Organization: Interdisciplinary Encyclopedia of Religion and Science
  Extraterrestrial life - Inters.org

Sources

• Extraterrestrial life - Inters.org inters.org Interdisciplinary Encyclopedia of Religion and Science via serper

Referenced by nodes (1)

• Sun location