launch rate
21space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… …
22Criticism of the Space Shuttle program — stems from claims that NASA s Shuttle program has failed to achieve its promised cost and utility goals, as well as design, cost, management, and safety issues.[1] More specifically, it has failed in the goal of reducing the cost of space access …
23Laika — This article is about the Russian dog. For other meanings, see Laika (disambiguation). Laika Лайка In 1957, Laika became the first animal launched into orbit, paving the way for human spaceflight. This photograph shows her in a flight harness.… …
24NASA Space Shuttle decision — Even before the Apollo moon landing in 1969, in October 1968 NASA began early studies of space shuttle designs. The early studies were denoted Phase A , and in June 1970, Phase B , which were more detailed and specific.In 1969, United States Vice …
25Space Shuttle design process — See also Space Shuttle program Conception and development North American Rockwell Shuttle, 1969 Even before the Apollo moon landing in 1969, in October 1968, NASA began early studies of space shuttle designs. The early studies were denoted Phase… …
26Rocket — This article is about vehicles powered by rocket engines. For other uses, see Rocket (disambiguation). A Soyuz U, at Baikonur Site 1/5 A rocket is a missile, spacecraft, aircraft or other vehicle which obtains thrust from a rocket engi …
27North 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… …
28Shuttle-C — The Shuttle C was a NASA proposal to turn the Space Shuttle launch stack into a dedicated unmanned cargo launcher. This would use the Space Shuttle external tank and Space Shuttle Solid Rocket Boosters (SRBs), combined with a cargo module that… …
29N1 (rocket) — This article is about the Soviet rocket. For the Japanese rocket, see N I rocket N1 N1 L3 rocket on the launchpad at Baikonur Cosmodrome Function Manned lunar carrier rocket Manufacturer OKB 1 Country of origin …
30Mars for Less — (MFL) [1][2]is a proposal for a near term human Mars expedition that involves the use of existing Evolved Expendable Launch Vehicles (EELVs, or alternatively, Medium Lift Launch Vehicles, MLLVs). The MFL plan claims that the barrier to entry for… …
