low-altitude space station
81Earth — This article is about the planet. For other uses, see Earth (disambiguation). Earth   …
82Mount Everest — Everest redirects here. For other uses, see Everest (disambiguation). Mount Everest (Qomolongma / Sagarmatha) Highest Mountain in the World …
83Mars Reconnaissance Orbiter — Conceptual image depicting the Mars Reconnaissance Orbiter in an elliptical low planet orbit around Mars Operator NASA / JPL Major contractors Lockheed Ma …
84Orbital spaceflight — Discovery rockets to orbital velocity, seen here just after booster separation An orbital spaceflight (or orbital flight) is a spaceflight in which a spacecraft is placed on a trajectory where it could remain in space for at least one orbit. To… …
85AGM-28 Hound Dog — Infobox Weapon is missile=yes name=AGM 28 Hound Dog caption= origin= type=Cruise Missile used by= manufacturer=North American Aviation unit cost=$690,073 propellant= production date=April 1959 service=September 13, 1960 engine=Pratt Whitney J52 P …
86Astronaut — For other uses, see Astronaut (disambiguation). Cosmonaut redirects here. For other uses, see Cosmonaut (disambiguation). Astronaut Bruce McCandless II using a Manned Maneuvering Unit outside the United States Space Shuttle Challenger in 1984. An …
87Atmospheric reentry — refers to the movement of human made or natural objects as they enter the atmosphere of a planet from outer space, in the case of Earth from an altitude above the edge of space. This article primarily addresses the process of controlled reentry… …
88List of human spaceflight programs — For a chronological list of human spaceflights, including crews..., dates and mission summaries, see List of human spaceflights. This is a list of human spaceflight programs, including successful programs, programs that were canceled, and… …
89North American DC-3 — The DC 3 was a proposed space shuttle designed by Maxime Faget at the Manned Spacecraft Center (MSC) in Houston. The design was nominally developed by North American Aviation (NAA), although it was a purely NASA internal design. Unlike the… …
90Douglas A-4 Skyhawk — A 4 (A4D) Skyhawk A U.S. Navy A 4E of VA 164 from USS Oriskany (CVA 34) over North Vietnam in November 1967 Rol …
