The Royal Institution Christmas Lectures
The History of Mars
1977 • E3 Dec 28, 1977 40m
Cold, arid, and tens of millions of miles away from Earth, Mars has intrigued scientists for centuries. The existence of liquid on its surface was confirmed by NASA’s flyby mission, Mariner 4, in 1965, but the question of whether life exists on our neighbouring planet has remained a subject of much speculation.
