Guest lecturer Rusty Schweickart gives the first part of the tenth lecture, "Life in Space, Life on Earth," for Professor Lynn Rothschild's Astrobiology and Space Exploration course.

1. Introduction
2. From Interstellar Molecules to Astrobiology
3. Pushing the Envelope for Life
4. Replaying the Tape
5. From the Ground Up: Suborbital Flight and Small Satellites
6. Life Beyond Its Planet of Origin
7. ALH 84001 and Other Martian Meteorites
8. Controlled Environmental Life Support
9. Genomic Dark Matter: The Emergence of Small RNAs
10. Life in Space, Life on Earth
11. The Asteroid Challenge: Will We Be Ready?
12. Planetary Systems Around Other Stars

In this course, NASA research scientist Lynn Rothschild - and several guest speakers - discuss issues of astrobiology and space exploration.