Terrestrial planet from the original solar nebula. The Solar System has four terrestrial planets: Mercury, Venus, Earth, and Mars. Only one terrestrial planet, Earth, is known to have an active hydrosphere. During the formation of the Solar System, there were probably many more terrestrial planetesimals, but most merged with or were ejected by the four terrestrial planets. Dwarf planets, such as Ceres, Pluto and Eris, and small Solar System bodies are similar to terrestrial planets in the fact that they do have a solid surface, but are, on average, composed of more icy materials (Ceres, Pluto and Eris have densities of 2.17,
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