The TV show called Cosmos: A Personal Voyage. He suggested that the planet Venus did not possess a tropical climate, like other scientists believed. read more
Astronomer Carl Sagan was born on November 9, 1934, in Brooklyn, New York. He graduated from the University of Chicago, where he studied planets and explored theories of extraterrestrial intelligence. He was named director of Cornell’s Laboratory for Planetary Studies in 1968 and worked with NASA on several projects. read more