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Although it is some 130 times the size of the Solar System, the Stingray Nebula is only about one tenth the size of most other known planetary nebulae. The central star of the nebula is the fast-evolving star SAO 244567. Until the early 1970s, it was observed on Earth as a preplanetary nebula in which the gas had not yet become hot and ionized.
The launch history of NASA's Launch Services Program (LSP) since the program formed in 1998 at Kennedy Space Center. The launch of NASA robotic missions occurred from a number of launch sites on a variety of rockets. After the list of launches are descriptions of select historic LSP missions.
For Space Shuttle missions, in the firing room at the Launch Control Center, the NASA Test Director (NTD) performed this check via a voice communications link with other NASA personnel. The NTD was the leader of the shuttle test team responsible for directing and integrating all flight crew, orbiter, external tank/solid rocket booster and ...
NASA's Exploration Ground Systems (EGS) Program is one of three programs based at NASA's Kennedy Space Center in Florida. EGS was established to develop and operate the systems and facilities necessary to process and launch rockets and spacecraft during assembly, transport and launch. [1]
The Space Launch System (SLS) is an American super heavy-lift expendable launch vehicle used by NASA.As the primary launch vehicle of the Artemis Moon landing program, SLS is designed to launch the crewed Orion spacecraft on a trans-lunar trajectory.
The Space Launch Initiative (SLI) was a NASA and U.S. Department of Defense joint research and technology project to determine the requirements to meet all the nation's hypersonics, space launch and space technology needs. It was also known as the "2nd Generation Reusable Launch Vehicle (RLV) program.".
Coordinated Universal Time as the time reference for the date of launch; Kilometres, minutes and degrees as the standard units for basic orbital parameters; Any useful information relating to the function of the space object in addition to the general function requested by the Registration Convention; The geostationary orbit location, if ...
The resulting gravity fed system, used through the remainder of the program, began release from a 300,000-US-gallon (1.1-million-litre) water tower at the launch site 6.6 seconds before main engine start through 7 feet (2.1 m) diameter pipes connected to the mobile launch platform.