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Space Shuttle Enterprise
Space Shuttle Enterprise The Shuttle Orbiter Enterprise (NASA Designation: OV-101) was the first Space Shuttle built for NASA. It was initially constructed without engines or a functional heat shield and was therefore not capable of space operations without a refit. It was intended to be the second space shuttle to fly after the Space Shuttle Columbia even though it was built first, however, it was found to be cheaper to refit a test article (STA-099) into the Space Shuttle Challenger. Originally planned to be called Constitution, the test vehicle was renamed following a write-in campaign after the starship featured on the television show Star Trek, which in turn was named for the various ships named USS Enterprise. Amusingly, in one of the subsequent Star Trek movies

But there was no way that a space station or Air Force payloads could demand such rates (roughly 1 to 2 per week), so they went further and suggested that all future US launches would take place on the shuttle, once built. In order to do this the cost of launching the shuttle would have to be lower than any other system with the exception of the very small, which they ignored for practical reasons, and very large, which were rare and terribly expensive anyway.

Space Shuttle Discovery
Space Shuttle Discovery Shuttle Orbiter Discovery (NASA Designation: OV-103) is a NASA Space Shuttle. First flown on August 30, 1984, Discovery is the third operational shuttle (excluding test shuttle 'Enterprise'). The orbiter is still operational today, and has performed both research and International Space Station (ISS) assembly missions. The craft takes its name from a ship used by explorer James Cook. Table of contents showTocToggle("show","hide") 1 Flights 1..1 Related articles 1..2

Meanwhile the Air Force had a continuing interest in smaller systems with more rapid turn-around times, and were involved in their own spaceplane project called Dynasoar. In several instances groups from both worked together to investigate the state of the art. America's first space station, the 75 ton Skylab was launched May 14, 1973 by a two-stage version of the Saturn V booster (the SL-1 mission). Severe damage was sustained during launch, including the loss of the station's micrometeoroid shield/sun shade and one of its main solar panels. Debris from the lost micrometeroid shield further complicated matters by pinning the remaining solar panel to the side of the station, preventing its deployment and thus leaving the station with a huge power deficit. The station underwent a extensive repair by the first crew launched on May 25, 1973 (the SL-2 mission) atop a Saturn 1B. Two additional missions followed on July 28, 1973 (SL-3) and November 16, 1973 (SL-4) with stay times of 28, 59, and 84 days, respectively. The last Skylab crew returned to Earth on February 8, 1974.

Skylab was actually the refitted S-IVB third stage of a Saturn V booster, a leftover from the Apollo program originally intended for one of the canceled moon landing missions (Apollos 18-20). A product of the Apollo Applications program (a program tasked with finding long-term uses for Apollo program hardware), Skylab was originally planned as a minimially-altered S-IVB to be launched on a Saturn IB rocket. The small size of the IB would have required Skylab to double as a rocket stage during launch, only being retrofitted as a space station once on-orbit. With the cancellation of Apollo missions 18-20 a Saturn V was made available and thus the "Wet Workshop" concept, as it was called, was put aside and Skylab was launched dry and fully outfitted. Skylab's grid flooring system is a highly visable legacy of the wet workshop concept.

Following the last mission the Station was positioned in a parking orbit expected to last at least 8 years. Increased solar activity heating the outer layers of the earth's atmosphere and thereby increasing drag on the Station led to an early reentry on July 11, 1979. Skylab disintegrated over Western Australia and the Indian Ocean, casting large pieces of debris in populated areas (without injury). The reentry prevented any further use by the then unfinished Space Shuttle as was envisioned by some at NASA.

Two flight-quality Skylabs were built, the second, a backup, is on display at the National Air and Space Museum in Washington, DC.

John F. Kennedy Space Center
John F. Kennedy Space Center The John F. Kennedy Space Center (KSC) is the NASA space vehicle launch facility (spaceport) at Cape Canaveral on Merritt Island in Florida, United States. The site is midway between Miami and Jacksonville, Florida. It is 55 km long and around 10 km wide, covering 56,700 hectares. Around 17,000 people work at the site. There is a visitor center and public tours and KSC is a major tourist destination for visitors to Florida. Because much of KSC is off limits to development, the site also serves as an important wildlife sanctuary. Operations are currently controlled from Launch Complex 39, the location of the Vehicle Assembly Building. 6 km to the east of the assembly building are the two launch pads. 8 km south

Barbara Morgan
R. Morgan (November 28, 1951 - ) is the first NASA Educator Astronaut, scheduled to fly on STS-118. Morgan trained to fly on the ill-fated STS-51-L mission of Space Shuttle Challenger as backup to Christa McAuliffe and has remained involved in the space program since then. Personal Data Born November 28, 1951, in Fresno, California. Married to Clay Morgan of McCall, Idaho. They have two sons. She is a classical flutist who also enjoys jazz, literature, hiking, swimming, cross-country skiing, and her family. Her parents are Dr. and Mrs. Jerry Radding. Her mother-in-law is Mrs. Clay Morgan. Education Hoover High School, Fresno, California, 1969; B.A., Human Biology, with distinction, Stanford University, 1973; Teaching Credential, College of Notre Dame, Belmont, California, 1974. Teaching Experience Morgan began her teaching career in 1974 on

Image : Opportunity's left front wheel. Image credit: NASA/JPL.

NASA's Rovers Continue Martian Missions 05.24.05 -- NASA's Mars rover Opportunity is trying to escape from a sand trap, while its twin, Spirit, has been busy finding new clues to a wet and violent early Martian history.

Teacher in Space Project
Teacher in Space Project Christa McAuliffe (left) and Barbara Morgan pose in front of the Space Shuttle mission simulator (SMS) after their selection for TISP. The Teacher in Space Project (TISP) is a NASA program designed to educate students and spur excitement in math, science, and space exploration. Christa McAuliffe was selected to be the first teacher in space in 1984 with Barbara Morgan as her alternate. McAuliffe died during the launch of the 25th Space Shuttle mission, STS-51-L, which was to make her the first teacher in space. NASA halted the TISP until 1998 amid concerns surrounding the risk of sending civillians to space. Morgan was selected as the first Educator Astronaut in January, 1998. Morgan is assigned to the crew of STS-118 which may launch

International Space Station
International Space Station Continuing on from the United States' Skylab and Russia's Mir, the International Space Station (ISS) represents a permanent human presence in space. The space station is located in orbit around the Earth at an altitude of approximately 386 km, a type of orbit usually termed low Earth orbit. (The actual height varies over time by several kilometres due to atmospheric drag and reboosts.) It orbits Earth at a period of about 92 minutes; on December 1, 2003 it had completed over 28,700 orbits since launch. It is serviced primarily by the Space Shuttle, and Soyuz and Progress spacecraft units. It is still being built, but is home to some experimentation already. At present, the station has a capacity for a crew of three, who

Ulysses (spacecraft)
for the Latin translation of Odysseus) was launched in October 1990 from the Space Shuttle Discovery (mission STS-41) as a joint venture of NASA and the European Space Agency. The spacecraft first flew to Jupiter for a swing-by maneuver which brought it out of the ecliptic plane, in order to investigate the polar regions of the sun. It did explore both the northern and southern solar pole, which gave many unexpected result. Especially the southern magnetic pole was found to be much more dynamical and without any fixed clear magnetic pole. The short version "The sun has no magnetic south pole" is misleading, as the sun is not a magnetic monopole. Ulysses' mission is extended until at least 2004.