Professor Sagan, like many scientists throughout the 20th century, believed that intelligent life may exist on planets other than Earth. <blockquote>"The significance of a finding that there are other beings who share this universe with us would be absolutely phenomenal, it would be an epochal event in human history," Sagan declared.<ref>[http://www.cnn.com/US/9612/20/sagan/ Norma Quarles, "Carl Sagan Dies at 62," CNN.com 20 Dec. 1996.]</ref></blockquote> | Professor Sagan, like many scientists throughout the 20th century, believed that intelligent life may exist on planets other than Earth. <blockquote>"The significance of a finding that there are other beings who share this universe with us would be absolutely phenomenal, it would be an epochal event in human history," Sagan declared.<ref>[http://www.cnn.com/US/9612/20/sagan/ Norma Quarles, "Carl Sagan Dies at 62," CNN.com 20 Dec. 1996.]</ref></blockquote> |