Carl Sagan was born today in 1934. Best known for the book and PBS series, “Cosmos,” Sagan was also a leading figure in the search for extraterrestrial intelligence, known as SETI.
Astronomy Fact of the Day: November 9, 2018

Carl Sagan was born today in 1934. Best known for the book and PBS series, “Cosmos,” Sagan was also a leading figure in the search for extraterrestrial intelligence, known as SETI.