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ALT
Tim Finn and Liam O'Maonlai. ALT is also an abbreviation for Assistant Language Teacher, the job title of people on the JET Programme. ALT was also an acronym by the NASA for the Approach and Landing Tests of the Space Shuttle in 1976. ALT can mean alternative lengthening of telomeres, a mechanism (other than telomerase) that cells use to maintain telomere length.

Christa McAuliffe
was a American teacher and astronaut from New Hampshire who died in the explosion of the Space Shuttle Challenger on STS-51-L. She was born Sharon Christa Corrigan in Boston, Massachusetts. McAuliffe was selected to be the first teacher in space on July 19, 1985. She joined the STS-51-L crew as a mission specialist with plans to teach lessons from space. Selected from among more than 11,000 applicants from the education profession for entrance into the astronaut ranks, McAuliffe had been born the oldest child of Edward and Grace Corrigan. Her father was at that time completing his sophomore year at Boston College, but not long thereafter he took a job as an assistant comptroller in a Boston department store and the family moved to the Boston suburb of Framingham. As a

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

Space Shuttle Atlantis
Space Shuttle Atlantis Shuttle Orbiter Atlantis (NASA Designation: OV-104) In its most recent flight, Atlantis and her six-person crew completed an eleven-day mission in October 2002 to the International Space Station that involved three space walks. Table of contents showTocToggle("show","hide") 1 Flights 2 Related articles 3

The result was that the simple DC-3 was clearly out of the picture because it had neither the cargo capacity nor the cross-range the Air Force demanded. In fact all existing designs were far too small, as a 40,000 lbs delivery to polar orbit equates to a 65,000 lbs delivery to a "normal" 28 degree equatorial orbit. In fact any design using simple straight or fold-out wings was not going to meet the cross range requirements, so any future design would require a more complex, heavier delta wing.

Kalpana Chawla
(July 1, 1961 - February 1, 2003) was an astronaut and space shuttle mission specialist of STS-107 (Columbia) who was killed when the craft disintegrated after reentry into the Earth's atmosphere. Kalpana Chawla Table of contents showTocToggle("show","hide") 1 Early Life 2 Education 3 NASA Career 4 Personal Characteristics 5 Memoria 6 See also 7 External Links Early Life Chawla was born in Karnal, Haryana, India. Her interest in flight was inspired by J. R. D. Tata, India's first pilot. Education Chawla studied aeronautical engineering at the Punjab Engineering College in Punjab, India in 1982 where she earned her Bachelor of Science degree. Thereafter she moved to the United States to obtain a Master of Science degree in aerospace engineering from University of Texas (1984). Dr. Chawla earned a doctorate in aerospace

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.

With the major Apollo development effort winding down in the second half of the 1960s, NASA started looking to the future of the space program. They envisioned an ambitious program consisting of a large space station being launched on huge boosters, served by a reusable logistics "space shuttle", both providing services for a permanantly manned Lunar colony and eventual manned missions to Mars.

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:

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