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Title: Sts-90  
Author: World Heritage Encyclopedia
Language: English
Subject: List of space travelers by nationality, James A. Pawelczyk, Space Shuttle Columbia, Jay C. Buckey, Richard M. Linnehan
Collection: Space Shuttle Missions, Spacecraft Launched in 1998
Publisher: World Heritage Encyclopedia


Spacelab in Columbia’s payload bay during the STS-90 mission
Mission type Bioscience research
Operator NASA
COSPAR ID 1998-022A
SATCAT № 25297
Mission duration 15 days, 21 hours, 50 minutes, 58 seconds
Distance travelled 10,000,000 kilometres (6,200,000 mi)
Spacecraft properties
Spacecraft Space Shuttle Columbia
Landing mass 105,462 kilograms (232,504 lb)
Payload mass 10,788 kilograms (23,783 lb)
Crew size 7
Members Richard A. Searfoss
Scott D. Altman
Dafydd Williams
Kathryn P. Hire
Richard M. Linnehan
Jay C. Buckey
James A. Pawelczyk
Start of mission
Launch date 17 April 1998 18:19 (1998-04-17T18:19Z) UTC
Launch site Kennedy LC-39B
End of mission
Landing date Did not recognize date. Try slightly modifying the date in the first parameter. UTC
Landing site Kennedy SLF Runway 33
Orbital parameters
Reference system Geocentric
Regime Low Earth
Perigee 247 kilometres (153 mi)
Apogee 274 kilometres (170 mi)
Inclination 39.0 degrees
Period 89.7 min

Left to right - Front row: Altman, Searfoss; Back row: Pawelczyk, Linnehan, Hire, Williams, Buckey

Space Shuttle program
← STS-89 STS-91

STS-90 was a 1998 Space Shuttle mission flown by the Space Shuttle Columbia. The 16-day mission marked the last flight of the European Space Agency's Spacelab laboratory module, which had first flown on Columbia on STS-9, and was also the last daytime landing for Columbia.


  • Crew 1
    • Backup crew 1.1
  • Mission highlights 2
  • See also 3
  • References 4
  • External links 5


Position Astronaut
Commander Richard A. Searfoss
Third spaceflight
Pilot Scott D. Altman
First spaceflight
Mission Specialist 1 Dafydd Williams, CSA
First spaceflight
Mission Specialist 2 Kathryn P. Hire
First spaceflight
Mission Specialist 3 Richard M. Linnehan
Second spaceflight
Payload Specialist 1 Jay C. Buckey
First spaceflight
Payload Specialist 2 James A. Pawelczyk
First spaceflight

Backup crew

Position Astronaut
Payload Specialist 1 Alexander W. Dunlap
First spaceflight
Payload Specialist 2 Chiaki Mukai, JAXA
Second spaceflight

Mission highlights

Neurolab was a Spacelab module mission focusing on the effects of microgravity on the nervous system. The goals of Neurolab were to study basic research questions and to increase the understanding of the mechanisms responsible for neurological and behavioral changes in space. Specifically, experiments would study the adaptation of the vestibular system and space adaptation syndrome, the adaptation of the central nervous system and the pathways which control the ability to sense location in the absence of gravity, and the effect of microgravity on a developing nervous system.

The mission was a joint venture of six space agencies and seven U.S. research agencies. Investigator teams from nine countries would conduct 31 studies in the microgravity environment of space. Other agencies participating in the mission included six institutes of the National Institutes of Health, the National Science Foundation, and the Office of Naval Research, as well as the space agencies of Canada, France, Germany, and Japan, and the European Space Agency.

Neurolab’s 26 experiments targeted one of the most complex and least understood parts of the human body – the nervous system. Primary goals were to conduct basic research in neurosciences and expand understanding of how the nervous system develops and functions in space. Test subjects were rats, mice, crickets, snails, two kinds of fish and the crew members themselves. Cooperative effort of NASA, several domestic partners and the space agencies of Canada (CSA), France (CNES) and Germany (DARA), as well as the European Space Agency (ESA) and the National Space Development Agency of Japan (NASDA). Most experiments conducted in pressurized Spacelab long module located in Columbia’s payload bay. This was the 16th and last scheduled flight of the ESA-developed Spacelab module although Spacelab pallets would continue to be used on the International Space Station.

Research conducted as planned, with the exception of the Mammalian Development Team, which had to reprioritize science activities because of the unexpected high mortality rate of neonatal rats on board.

Other payloads included the Shuttle Vibration Forces experiment, the Bioreactor Demonstration System-04, and three Get-Away Special (GAS) canister investigations.

STS-90 was the first mission to make an Orbital Maneuvering System (OMS) assist burn during the ascent.

Three sevenths of the STS-90 crew (Williams, Pawelczyk and Buckey) appeared on the Canadian television series Popular Mechanics for Kids. Working with engineers on the ground a week into the flight, the on-orbit crew used aluminum tape to bypass a suspect valve in the Regenerative Carbon Dioxide Removal System that had threatened to cut short the mission.

Mission Management Team considered, but decided against, extending the mission one day because the science community indicated an extended flight was not necessary and weather conditions were expected to deteriorate after planned landing on Sunday, 3 May.

STS-90 Mission Specialist Kathryn Hire was Kennedy Space Center’s first employee to be chosen as an astronaut candidate.

STS-90 was the first shuttle flight known to carry a bat on the solid booster.[1] A bat suffered a similar fate during STS-119.

See also


 This article incorporates public domain material from websites or documents of the National Aeronautics and Space Administration.

  1. ^ Steven Siceloff. "Bat Hung onto Shuttle During Liftoff". NASA. Retrieved 19 March 2009. 

External links

  • NASA mission summary
  • STS-90 Video Highlights
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