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
Martian Through Georgia that the Martian could just commit suicide, since nobody loves him. The Martian takes out his ray gun and prepares to blow his brains out, when the narrator helps him remember that somebody does love him. Taking this advice to heart, the Martian puts his antenna back in place on his head and remembers the female Martian he had turned down earlier. As the narrator says someday, a new constellation will appear, the Martian, now wanting to seek happiness back on his home planet, blasts off back home, which is seen as a star in a constellation of stars that