Terra: The Nature of Our World Terra: The Nature of Our World LifeOnTERRA ("TERRA: The Nature of Our World"), now in its tenth season, is the award-winning science and natural history podcast series that explores the natural connections that propel life on Earth. Overseen by graduate students in the MFA program in Science and Natural History Filmmaking at Montana State University, LifeOnTERRA distributes independently produced science, nature, cultural, and environmental films. The content of these podcasts are contributed by numerous independent filmmakers, lending their talent and voices to issues concerning life here on planet earth. Our World. Your Stories. The site provides a full archive of
Stability of the Solar System Stability of the Solar System The stability of the Solar System is a subject of much inquiry in astronomy. Though the planets have been stable when historically observed, and will be in the short term, their weak gravitational effects on one another can add up in unpredictable ways. For this reason (among others) the Solar System is chaotic, and even the most precise long-term models for the orbital motion of the Solar System are not valid over more than a few tens of millions of years. The Solar System is stable in human terms, and far beyond, given that it