"For Viking file" note - Public domain document scan

Note written for Sagan's "Viking file" discussing the possibility of life on Mars.

sagan carl extraterrestrial life life on other planets mars planet outer space exploration viking mars program us nasa national aeronautics and space administration manuscripts note eng the seth macfarlane collection of the carl sagan and ann druyan archive finding our place in the cosmos from galileo to sagan and beyond carl sagan ultra high resolution high resolution

01/01/1970

Library of Congress

http://www.loc.gov/

Public Domain