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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. 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.

Shuttle description

The Space Shuttle consists of four main components; the reuseable orbiter itself, a large expendable external fuel tank, and a pair of reusable solid-fuel booster rockets. The fuel tank and booster rockets are jettisoned during ascent. The longest the shuttle has stayed in orbit in a single mission is 17.5 days, on mission STS-80 in November 1996.

The Shuttle has a large payload bay taking up much of its length. The payload bay doors have heat radiators mounted on their inner surfaces, and so are kept open while the Shuttle is in orbit for thermal control. Thermal control is also maintained by adjusting the orientation of the Shuttle relative to Earth and Sun. Inside the payload bay is the Remote Manipulator System, also known as the Canadarm, a robot arm used to retrieve and deploy payloads. Until the loss of Columbia, the Canadarm has only been included on missions where it will be used. Since the arm is a crucial part of the Thermal Protection Inspection procedures now required for shuttle flights, it will likely be included on all future flights.

Houston, Texas
covers about 600 square miles in area, and is also the largest city in the United States which does not have zoning laws. Houston is world renowned for its energy industry (particularly oil),aeronautics industry and ship channel. The Port of Houston is the second busiest port in the United States, fifth busiest in the world. Because of the economic trades, many residents have moved in from other U.S. states, as well as hundreds of countries worldwide. Officially, Houston has been nicknamed the Space City. "Houston" was the first word uttered on the moon, as Neil Armstrong reported back to NASA. It is known by the locals, however, as the Bayou City. (Other nicknames include "Clutch City", and "Magnolia City".) The city had placed an unsuccessful bid for the 2012 Summer Olympics.

Space Camp
Space Camp Space Camp is a 1986 movie which was based on a book written by Patrick Bailey and Larry B Williams and a screenplay by WW Wicket and Casey T Mitchell. In the movie, four teenagers and a twelve year old boy go to a NASA space camp, to spend three weeks of their summer training as astronauts and learning about the space program in general. There, they will meet a female instructor who is frustrated at the fact she still hasn't gotten a chance to be up there, despite this being her life's dream. But things start to unravel when the 12 year old boy, Max, saves the life of a robot named Jinx, and, to return the favor, Jinx decides to send Max

Shuttles
4 The Shuttle decision
5 Shuttle development
6 The Shuttle in retrospect
7 Shuttle description
8 Shuttle accidents
9 Previous Programs
10 External links

Components

The Space Shuttle consists of four main components: