orbit the earth
21Earth to orbit — (ETO) describes the process or means of placing a payload into an orbit around the Earth. Traditionally this has used rockets, however ETO can also include much more exotic forms of transportation such as railguns and hypersonic cannons and Space …
22Earth orbit rendezvous — (EOR) is a method that has been proposed for space missions to the Moon. NASA considered an EOR mission profile for the Apollo program, but chose instead to use lunar orbit rendezvous (LOR). NASA currently plans to use both EOR and LOR for… …
23Earth in science fiction — Earth An overwhelming majority of fiction is set on or features the Earth. However, authors of speculative fiction novels and writers and directors of science fiction film deal with Earth quite differently from authors of conventional fiction.… …
24The Carrier — is the fictional base of operations of The Authority, a Wildstorm Comics superteam. It is a shiftship , a ship capable of moving through the Bleed, the red space which separates alternate universes in the Wildstorm multiverse. It is… …
25The Silkie (novel) — The Silkie is a fix up science fiction novel by A. E. van Vogt, first published in complete form in 1969. The component stories had previously been published in Galaxy Science Fiction magazine.Plot introductionTaking its inspiration from the… …
26The Sand Reckoner — (Greek: Ψαμμίτης, Psammites ) is a work by Archimedes in which he set out to determine an upper bound for the number of grains of sand that fit into the universe. In order to do this, he had to estimate the size of the universe according to the… …
27Earth II (TV series pilot) — Earth II was a 1971 pilot, aired November 28, for a television series about a colony established in orbit around the Earth. It starred Gary Lockwood, Anthony Franciosa, Lew Ayres and Mariette Hartley.tory outlineInitially, three men were launched …
28Orbit insertion — is the spaceflight operation of adjusting a spacecraft’s momentum to allow for entry into a stable orbit around a planet, moon, or other celestial body.[1] This maneuver involves either deceleration from a speed in excess of the respective body’s …
29Earth-Minbari War — The Earth Minbari War is a fictional war that formed a major part of the back story of the science fiction television series, Babylon 5 . The war was fought between the Earth Alliance and the Minbari, an older alien race that overwhelmingly… …
30Earth's gravity — Earth s gravity, denoted by g , refers to the gravitational attraction that the Earth exerts on objects on or near its surface. Its strength is usually quoted in terms of the acceleration it gives to falling bodies (acceleration due to gravity),… …
