Carl Sagan and other scientists believe that because there are billions of stars in the galaxy, intelligent life must have evolved on at least a few of those stars.

Authors

• Person: Not available Organization: News On 6
  Skeptics take aim at alien abductions, lie detectors - NewsOn6.com

Sources

• Skeptics take aim at alien abductions, lie detectors - NewsOn6.com www.newson6.com News On 6 via serper

Referenced by nodes (1)

• extraterrestrial intelligence concept