free-flight trajectory
41Mars 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… …
42Controllable slope soaring — Person flying a Walkalong glider by controllable slope soaring. Controllable slope soaring is a type of slope soaring where a slope is made to follow the airplane in gliding flight, both sustaining and controlling the airplane s trajectory by… …
43Zond program — Zond (Зонд; meaning probe ) was the name given to two series of Soviet unmanned space missions undertaken from 1964 to 1970 to gather information about nearby planets and to test spacecraft. The second series used a stripped down variant of the… …
44Jim Lovell — Infobox Astronaut name = James Arthur Lovell, Jr. type = Astronaut nationality = American date birth = birth date and age|1928|03|25 place birth = Cleveland, Ohio, U.S. occupation = Test Pilot rank = Captain, USN selection = 1962 NASA Group time …
45V-2 rocket — ] Technical detailsAt launch the A 4 propelled itself for up to 65 seconds on its own power, and a program motor controlled the pitch to the specified angle at engine shutdown, from which the rocket continued on a free fall () trajectory. The… …
46Pearl Harbor advance-knowledge debate — The Pearl Harbor advance knowledge debate is a dispute over what, if any, advance knowledge American officials had of Japan s December 7, 1941 attack on Pearl Harbor.Ever since the Japanese attack there has been debate as to how and why the… …
47Rocketplane XP — The Rocketplane XP is a suborbital spaceplane under development by Rocketplane Limited, Inc.. The vehicle is powered by two jet engines and a rocket engine, enabling it to reach suborbital space. The XP is designed to operate from existing… …
48S-300VM — Infobox Weapon name= S 300VM Antey 2500 NATO reporting name: SA 23 GladiatorGiant caption= origin= RUS type= Transportable SAM system is ranged= is bladed= is explosive= is artillery= is vehicle=yes is missile= is UK=yes service= used by=… …
49Programme Mars Scout — Phoenix (dessin d artiste) …
50Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
