The Martian Chronicles that came to start over on the planet. First appeared in "The Martian Chronicles". The next several chapters describe the transformation of Mars into another Earth. Small towns similar to those on Earth begin to grow. In "The Green Morning", Benjamin Driscoll makes it his mission to plant thousands of trees on the red plains to increase oxygen levels. Due to some property of the Martian soil, the trees grow into a mighty forest overnight. First appeared in "The Martian Chronicles". This vignette concerns the swift colonization of Mars. The title refers to the rockets and settlers which quickly spread
Solar System 7 light-years away. Compared to many other planetary systems, the Solar System stands out in lacking planets interior to the orbit of Mercury. The known Solar System also lacks super-Earths (Planet Nine could be a super-Earth beyond the known Solar System). Uncommonly, it has only small rocky planets and large gas giants; elsewhere planets of intermediate size are typical—both rocky and gas—so there is no "gap" as seen between the size of Earth and of Neptune (with a radius 3.8 times as large). Also, these super-Earths have closer orbits than Mercury. This led to hypothesis that all planetary systems start