“By suggesting often outlandish alternatives and challenging traditionalists to disprove them, he has inspired doubts about many accepted theories. Sagan’s role is essential for healthy science because a bandwagon effect frequently leads to premature consensus among scientists before equally plausible alternatives have even been thought of, let alone rationally rejected.”(Morrison). David Morrison is the senior scientist at the NASA Astrobiology Institute, he wrote about Sagan after his death, the two worked together on several NASA projects.
Carl authored
numerous books that aimed to debunk popular believes held about strange
phenomena like UFO's and crop circles. One of his most pointed books
was " The Demon Haunted World" in which
he used scientific thinking to explain how such phenomena could occur,
usually coming to the conclusion that it was people trying to fool the
public into believing we were being visited by aliens.
http://www.jewcy.com/religion-and-beliefs/professors_out_prove_paranormal
He did however believe that there was intelligent
life elsewhere in the universe. He thought the universe was far to big
for us to be the only intelligent creatures out there.
Continue to Search
for Extraterrestrial Intelligence.