measurement
Kenneth Arnold estimated that the nine objects he observed near Mt. Rainier on June 24, 1947, moved at two to three times the speed of sound and described their motion as similar to a 'saucer skipped over water.'
Authors
Sources
- How the Pentagon Started Taking U.F.O.s Seriously | The New Yorker www.newyorker.com via serper
Referenced by nodes (1)
- Kenneth Arnold entity