In his book 'Extraterrestrial', Harvard astronomer Avi Loeb argued that the interstellar comet 'Oumuamua might be an artificial light sail created by an alien civilization.

Authors

• Person: Not available Organization: Wikipedia
  Unidentified flying object - Wikipedia

Sources

• Unidentified flying object - Wikipedia en.wikipedia.org Wikipedia via serper

Referenced by nodes (3)

• extraterrestrial concept
• Avi Loeb entity
• Harvard University entity