Shklovskii and Sagan publish 'Intelligent Life in the Universe'

When
Soviet astrophysicist I. S. Shklovsky, 1977
Soviet astronomer I. S. Shklovskii, co-author with Carl Sagan A. T. Service, CC BY-SA 3.0, via Wikimedia Commons

Holden-Day published Intelligent Life in the Universe, Carl Sagan's expanded translation of a book by Soviet astronomer I. S. Shklovskii. It weighed the odds of life elsewhere, radio contact, and claims of past alien visits to Earth.

Sources

  1. PressIs anybody out there? (review of Intelligent Life in the Universe, by Herbert Malamud) (opens in a new tab)Physics Today / 1967-06

How sources are chosen and tiered

Where it fits

See it on the timelineMore in Media