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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.
The NASA Office of Inspector General has conducted several audits of the SLS program. A November 2021 report estimated that, at least for the first four launches of Artemis program, the per-launch production and operating costs would be $2.2 billion for SLS, plus $568 million for Exploration Ground Systems.
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 joint NASA-ESA Titan Saturn System Mission proposal envisioned the SLS as an option for launch. [26] On 10 February 2021, it was announced that Europa Clipper would not launch aboard an SLS. [27] In July 2021, NASA booked a SpaceX Falcon Heavy launch for Europa Clipper at a price of $178 million. [28]
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.".
Deep Space Transport LLC is a joint venture that is set to provide launch services for the Space Launch System rocket. The joint venture consists of Boeing, the prime contractor for the Space Launch System core stage and the Exploration Upper Stage that will be used on Space Launch System missions, and Northrop Grumman, the prime contractor for the Space Launch System's solid rocket boosters.
The National Launch System (or New Launch System) was a study authorized in 1991 by President George H. W. Bush to outline alternatives to the Space Shuttle for access to Earth orbit. [1] Shortly thereafter, NASA asked Lockheed Missiles and Space , McDonnell Douglas , and TRW to perform a ten-month study.