Mars (Doctor Who) space programme sent a series of manned missions to Mars. Mars Probes 6 and 7 made contact with a group of radioactive aliens orbiting the planet on a peaceful survey mission. On 31 October 2006, the Guinevere One probe was launched for an intended landing on Christmas Day, but was intercepted by the alien Sycorax before it could do so. The first human colonists arrived on Mars in 2058 and established Bowie Base One, a massive bio-dome where frozen Martian water deposits were used to grow vegetation. On 21 November 2059, the colony was destroyed when mission commander Captain Adelaide
Earthling English "yrþling", in the meaning "ploughman". The sense of "inhabitant of earth" is first attested in the 1590s. Its use in science fiction dates to 1949, in "Red Planet" by Robert A. Heinlein. The word "Human" has the same imposed meaning, since it originates from a PIE word "*ǵʰmṓ" "earthling" < "*dʰéǵʰōm" "earth". Compare Latin "homo" "human" and "humus" "earth, soil". Its modern use in science fiction literature contrasts "Earth" (the planet) with outer space or hypothetical other planets with sapient life. The term was often used in 1950s science fiction film and novels by aliens to express a disdainful