Jeremiah Hendren February 19, 2021 Physics (Astro. & Grav.) A search for Life on Earth from the Galileo Spacecraft Jeremiah Hendren February 19, 2021 Physics (Astro. & Grav.) Sagan, Carl, W. Reid Thompson, Robert Carlson, Donald Gurnett, and Charles HordNature 365, no. 6448 (1993): 715-721