Martian soil perchlorate readings being caused by terrestrial sources, which at the time were thought could have migrated from the spacecraft either into samples or the instrumentation. However, each new lander has confirmed their presence in the soil locally and the "Mars Odyssey" orbiter confirmed they are spread globally across the entire surface of the planet. While our understanding of Martian soils is extremely rudimentary, their diversity may raise the question of how we might compare them with our Earth-based soils. Applying an Earth-based system is largely debatable but a simple option is to distinguish the (largely) biotic Earth from the abiotic
A Beautiful Planet how you use those resources. It reminds us that we have to be better stewards of what we have, and be better crew members of Spaceship Earth." This portrayal of our planet as a fragile, life sustaining spacecraft is introduced in the very first scene. The film begins with a light-years-long, computer-generated trip through swarms of stars in the Milky Way; the compressed trip ends by focusing on the Solar System. Even though our planetary system seems unremarkable, it is in fact "the only place we know, in all the universe, to harbor life." In the film, Jennifer Lawrence's narration