
A Man, a Plan, a Canal—Mars!
99% Invisible
00:00
Early Mars Observations and Schiaparelli
David explains 19th-century telescope advances and Schiaparelli's 'canali' maps that looked like straight lines.
Play episode from 04:33
Transcript

David explains 19th-century telescope advances and Schiaparelli's 'canali' maps that looked like straight lines.