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Vulcan (rocket)
Vulcan Centaur is a two-stage-to-orbit, heavy-lift launch vehicle that is under development by the United Launch Alliance (ULA) since 2014 with an initial flight expected in early 2023. It is principally designed to meet launch demands for the U.S. government's National Security Space Launch (NSSL) program for use by the United States Space Force and U.S. intelligence agencies for national security satellite launches. The maiden flight is slated to launch Astrobotic Technology's ''Peregrine'' lunar lander for NASA's Commercial Lunar Payload Services (CLPS) program and Kuiper Systems' Kuipersat-1 and Kuipersat-2, no earlier than 2023, after multiple delays from the initially planned first flight in 2019. Description Vulcan is ULA's first new launch vehicle design; it adapts and evolves technologies that were developed for the Atlas V and Delta IV rockets of the USAF's EELV program. The first-stage propellant tanks have the same diameter as the Delta IV Common Booster Core ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Energia (rocket)
Energia (russian: Энергия, Energiya, Energy; GRAU 11K25) was a 1980s super-heavy lift launch vehicle. It was designed by NPO Energia of the Soviet Union as part of the Buran programme, Buran program for a variety of payloads including the Buran (spacecraft), Buran spacecraft. Control system main developer enterprise was the Khartron NPO "Electropribor". The Energia used four strap-on boosters each powered by a four-chamber RD-170 engine burning kerosene/Liquid oxygen, LOX, and a central core stage with four single-chamber RD-0120 (11D122) engines fueled by liquid hydrogen/LOX. The launch vehicle had two functionally different operational variants: Energia-Polyus, the initial test configuration, in which the Polyus (spacecraft), Polyus system was used as a final stage intended to put the payload into orbit, and Energia-Buran, in which the Buran programme, ''Buran'' orbiter was the payload and the source of the orbit insertion impulse. The launch vehicle had the capacity to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Liquid Methane
Methane ( , ) is a chemical compound with the chemical formula (one carbon atom bonded to four hydrogen atoms). It is a group-14 hydride, the simplest alkane, and the main constituent of natural gas. The relative abundance of methane on Earth makes it an economically attractive fuel, although capturing and storing it poses technical challenges due to its gaseous state under Standard conditions for temperature and pressure, normal conditions for temperature and pressure. Naturally occurring methane is found both below ground and under the seafloor and is formed by both geological and biological processes. The largest reservoir of methane is under the seafloor in the form of methane clathrates. When methane reaches the surface and the Atmosphere of Earth, atmosphere, it is known as atmospheric methane. The Earth's atmospheric methane concentration Methane emissions, has increased by about 150% since 1750, and it accounts for 20% of the total radiative forcing from all of the lo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Atlas V
Atlas V is an expendable launch system and the fifth major version in the Atlas (rocket family), Atlas launch vehicle family. It was originally designed by Lockheed Martin, now being operated by United Launch Alliance (ULA), a joint venture between Lockheed Martin and Boeing. Atlas V is also a major NASA launch vehicle. It is America's longest-serving active rocket. In August 2021, ULA announced that Atlas V would be retired, and all 29 remaining launches had been sold. , 19 launches remain. Each Atlas V launch vehicle consists of two main stages. The first stage (rocketry), first stage is powered by a Russian RD-180 engine manufactured by NPO Energomash, Energomash and burning kerosene and liquid oxygen. The Centaur (rocket stage), Centaur upper stage is powered by one or two American RL10 engine(s) manufactured by Aerojet Rocketdyne and burns liquid hydrogen and liquid oxygen. The Star 48 upper stage was used on the ''New Horizons'' mission as a third stage. strap-on booster, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kuiper Systems
Kuiper Systems LLC is a subsidiary of Amazon that was set up in 2019 to deploy a large broadband satellite internet constellation to provide broadband internet connectivity. The deployment is also referred to by its project name "Project Kuiper". Amazon has signed launch contracts with three launch service providers for a total of 91 launches over the next decade in order to build out the entire constellation, now planned to contain 3,276 satellites. The overall contract value for these launches is in excess of . , no date has been set for when initial launches of the operational constellation will begin. Two initial prototype satellites “KuiperSat-1” and “KuiperSat-2” were originally planned to be launched in the fourth quarter of 2022 with ABL Space Systems on their RS1 rocket. On 12 October 2022, Amazon updated this plan to be on ULA's Vulcan Centaur launch vehicle in "early 2023." History Amazon announced in April 2019 that they would fund and deploy a large br ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
NASASpaceFlight
''NASASpaceflight.com'' is a private news website and forum which launched in 2005, covering crewed and uncrewed spaceflight and aerospace engineering news. Its original reporting has been referenced by various news outlets on spaceflight-specific news, such as MSNBC, USA Today and ''The New York Times'' among others. NASASpaceflight also produces videos and live streams of rocket launches online, with a special focus on developments at SpaceX's Starbase facility, for which they were recognized with an award by SpaceNews. NSF is owned and operated by managing editor Chris Bergin and content is produced by a team of spaceflight reporters, journalists, contributors, editors, photographers, and videographers across the United States and other countries. NASASpaceflight and NASASpaceflight.com are not affliated with NASA The National Aeronautics and Space Administration (NASA ) is an independent agency of the US federal government responsible for the civil space program ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Commercial Lunar Payload Services
Commercial Lunar Payload Services (CLPS) is a NASA program to contract transportation services able to send small robotic landers and rovers to the Moon's south polar region mostly with the goals of scouting for lunar resources, testing in situ resource utilization (ISRU) concepts, and performing lunar science to support the Artemis lunar program. CLPS is intended to buy end-to-end payload services between Earth and the lunar surface using fixed priced contracts. The program was extended to add support for large payloads starting after 2025. NASA's Science Mission Directorate operates the CLPS program in conjunction with the Human Exploration and Operations and Space Technology Mission Directorates. NASA expects the contractors to provide all activities necessary to safely integrate, accommodate, transport, and operate NASA payloads, including launch vehicles, lunar lander spacecraft, lunar surface systems, Earth re-entry vehicles and associated resources. To date, eight miss ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Astrobotic Technology
Astrobotic Technology is an American privately held company that is developing space robotics technology for lunar and planetary missions. It was founded in 2007 by Carnegie Mellon professor Red Whittaker and his associates with the goal of winning the Google Lunar X Prize. The company is based in Pittsburgh, Pennsylvania. The first launch of one of its spacecraft, the ''Peregrine'' lunar lander, is expected to take place in late 2022. On June 11, 2020, Astrobotic received a second contract for the Commercial Lunar Payload Services program. NASA will pay Astrobotic US$199.5 million to take the VIPER rover to the moon, targeting a landing in November 2024. History The team stated a goal from the start in 2007: to be the first commercial operation to land their ''Red Rover'' on the Moon, using their ''Artemis Lander''. The company's first running prototype of ''Red Rover'' was completed the same year, and the concept lander was renamed ''Griffin''. On July 28, 2008, NASA awa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Space Force
The United States Space Force (USSF) is the space service branch of the U.S. Armed Forces, one of the eight U.S. uniformed services, and the world's only independent space force. Along with its sister branch, the U.S. Air Force, the Space Force is part of the Department of the Air Force, one of the three civilian-led military departments within the Department of Defense. The Space Force, through the Department of the Air Force, is overseen by the secretary of the Air Force, a civilian political appointee who reports to the secretary of defense, and is appointed by the president with Senate confirmation. The military head of the Space Force is the chief of space operations who is typically the most senior Space Force officer. The chief of space operations exercises supervision over the Space Force's units and serves as one of the Joint Chiefs of Staff. The Space Force is the smallest U.S. armed service, consisting of 8,400 military personnel. The Space Force operates 77 sp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Security Space Launch
National Security Space Launch (NSSL) — formerly Evolved Expendable Launch Vehicle (EELV) from 1994 to 2019 — is a program of the United States Space Force (USSF) intended to assure access to space for United States Department of Defense and other Federal government of the United States, United States government payloads. The program is managed by the Space Force's Space Systems Command (SSC), specifically the Assured Access to Space Directorate (SSC/AA), in partnership with the National Reconnaissance Office. Started in 1994 as the Evolved Expendable Launch Vehicle Launch vehicle, launch system program, the initial program goal was to make government space launches more affordable and reliability engineering, reliable, leading to the development of the Boeing Delta IV and Lockheed Martin Atlas V EELV families. As of 2019, these launch vehicles were the primary methods for launching U.S. military satellites, along with the Falcon 9 developed by SpaceX. On 1 March 2019, the pro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Federal Government Of The United States
The federal government of the United States (U.S. federal government or U.S. government) is the national government of the United States, a federal republic located primarily in North America, composed of 50 states, a city within a federal district (the city of Washington in the District of Columbia, where most of the federal government is based), five major self-governing territories and several island possessions. The federal government, sometimes simply referred to as Washington, is composed of three distinct branches: legislative, executive, and judicial, whose powers are vested by the U.S. Constitution in the Congress, the president and the federal courts, respectively. The powers and duties of these branches are further defined by acts of Congress, including the creation of executive departments and courts inferior to the Supreme Court. Naming The full name of the republic is "United States of America". No other name appears in the Constitution, and this i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heavy-lift Launch Vehicle
A heavy-lift launch vehicle, HLV or HLLV, is an orbital launch vehicle capable of lifting between (by NASA classification) or between (by Russian classification) into low Earth orbit (LEO).50t payloads" , operational heavy-lift launch vehicles include the Ariane 5, the Long March 5, the Proton-M and the Delta IV Heavy. In addition, the Angara A5, the Falcon 9 Full Thrust, and the Falcon Heavy are designed to provide heavy-lift capabilities in at least some configurations but have not yet been proven to carry a 20-tonne payload into LEO. Several other heavy-lift rockets are in development. An HLV is between medium-lift launch vehicles and super heavy-lift launch vehicles. Rated launch vehicles See also * Comparison of orbital launch systems * List of orbital launch systems * Comparison of orbital rocket engines * Comparison of space station cargo vehicles * Medium-lift launch vehicle, capable of lifting between 2,000 and 20,000 kg (4,400 to 44,100 lb) of payloa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Two-stage-to-orbit
A two-stage-to-orbit (TSTO) or two-stage rocket launch vehicle is a spacecraft in which two distinct stages provide propulsion consecutively in order to achieve orbital velocity. It is intermediate between a three-stage-to-orbit launcher and a hypothetical single-stage-to-orbit (SSTO) launcher. At liftoff the first stage is responsible for accelerating the vehicle. At some point the second stage detaches from the first stage and continues to orbit under its own power. An advantage of such a system over single-stage-to-orbit is that the most of the dry mass of the vehicle is not carried into orbit. This reduces the cost involved in reaching orbital velocity, as much of the structure and engine mass is ejected, and a larger percentage of the orbited mass is payload mass. An advantage over three or more stages is a reduction in complexity and fewer separation events, which reduces cost and risk of failure. Examples *Historical ** Cosmos-3M ** Delta IV (medium variant) ** Falcon ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
