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The Alcubierre drive ([alkuˈβjere]) is a speculative warp drive idea according to which a spacecraft could achieve apparent faster-than-light travel by contracting space in front of it and expanding space behind it, under the assumption that a configurable energy-density field lower than that of vacuum (that is, negative mass) could be created.
The record for most time in space is held by Russian cosmonaut Oleg Kononenko, who has spent 1,111 days in space over five missions. He broke the record of Gennady Padalka on 4 February 2024 at 07:30:08 UTC during his fifth spaceflight aboard Soyuz MS-24 / 25 for a one year long-duration mission on the ISS . [ 21 ]
When stacked and fully fueled, Starship has a mass of approximately 5,000 t (11,000,000 lb), [c] a diameter of 9 m (30 ft) [15] and a height of 121.3 m (398 ft). [16] The rocket has been designed with the goal of being fully reusable to reduce launch costs; [17] it consists of the Super Heavy booster and the Starship upper stage [18] which are powered by Raptor and Raptor Vacuum engines.
Typically, this frame is fixed to the body with the greatest gravitational influence on the spacecraft, as this is the most relevant frame for most purposes. [66] Velocities in different frames of reference are not directly comparable; thus the matter of the "fastest spacecraft" depends on the reference frame used.
Starship is a spacecraft and second stage [2] under development by American aerospace company SpaceX. Stacked atop its booster, the Super Heavy, the pair compose SpaceX's super heavy-lift space vehicle, also called Starship. The spacecraft is designed to transport both crew and cargo to a variety of destinations, including Earth orbit, the Moon ...
The X-43 was a part of NASA's Hyper-X program, involving the American space agency and contractors such as Boeing, Micro Craft Inc, Orbital Sciences Corporation and General Applied Science Laboratory (GASL). Micro Craft Inc. built the X-43A and GASL built its engine.
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The Interplanetary Spaceship would have operated as a second-stage and interplanetary transport vehicle for cargo and passengers. It aimed to transport up to 450 tonnes (990,000 lb) per trip to Mars following refueling in Earth orbit. [ 41 ]