STS-119 delivered the S6 solar arrays to the space station, completing the construction of the Integrated Truss Structure.[8] STS-119 also carried several experiments, including the Shuttle Ionospheric Modification with Pulsed Local EXhaust (SIMPLEX), Shuttle Exhaust Ion Turbulence Experiments (SEITE), and Maui Analysis of Upper Atmospheric Injections (MAUI).
STS-119 was also used for the "Boundary Layer Transition Detailed Test Objective" experiment. One tile of the thermal protection system was raised 0.25 inches (6.4 mm) above the others so that, at about Mach 15 during reentry, a boundary layer transition would be initiated.[9] This experiment was repeated during STS-128 with the tile raised to 0.35 inches (8.9 mm), tripping at Mach 18 to produce more heat.
The STS-119 crew was at Kennedy Space Center from January 19–22, 2009 for the Terminal Countdown Demonstration Test.[14] On January 21–22, 2009, mission managers met for the program level Flight Readiness Review (FRR). Following the FRR, mission managers recommended evaluating the hydrogen flow control valves on Discovery, and set a new target launch date of February 19, 2009.[15]
Due to the breakage of one of three flow control valves on the previous flight, STS-126, the flow valves of all orbiters were subjected to tests to determine if Discovery was safe to fly.[16] These valves are used to synchronize the flow of gaseous hydrogen between the external fuel tank and the main engines, creating an even flow.[17] Following the testing of the valves, mission managers decided to postpone the launch, and engineers were asked to replace the suspect flow valves with valves that had less flight time.[18]
Following the replacement of the valves, the Mission Management Team gave the approval for launch, and scheduled it for March 11, 2009.[19] The astronauts arrived at the Kennedy Space Center on March 8, 2009, to prepare for launch. The March 11, 2009, launch was scrubbed due to a leak in a liquid hydrogen vent line between the shuttle and the external tank.[20] On March 15, 2009, the shuttle successfully lifted off from pad 39A.[3][21] The leak problem manifested itself again during STS-127 which led to a thorough test. The root cause was found to be a misalignment in the GUCP (Ground Umbilical Carrier Plate) which was set right leading to a successful flight.
Space Shuttle Discovery launched on time at 19:43 EDT without any issues. Upon initial review of early ascent imagery, mission managers did not see anything out of the ordinary with debris at launch. "We didn't see anything at all in the first quick look," noted Bill Gerstenmaier, Associate Administrator for Space Operations, during the post-launch news conference.[22] "I've seen a lot of launches," commented Launch Director Michael D. Leinbach during the conference, "and this was the most visibly beautiful launch I've ever seen."[3][22] After reaching orbit, the STS-119 crew got to work on their orbit operations, opening the payload bay doors, deploying the Ku band antenna, and activating and checking out the shuttle's robotic arm.[3][21] The crew also downlinked the imagery taken of the external tank separation.
Bat stowaway
Bat clinging to the External Tank.
Rear view of Discovery's launch. The bat (circled in red) continues to cling to the External Tank.
During the countdown a bat was seen to be resting on the external tank.[23] What was originally believed to be a fruit bat was revealed to have been a free-tailed bat that clung onto the fuel tank during the launch. NASA observers had believed the bat would fly off once the shuttle started to launch, but it did not, and continued to remain on the external tank as the shuttle lifted off.[24] It was probably shaken off and incinerated by the rocket exhaust. A bat doctor, analyzing pictures, believed the bat had a broken wing which made it unable to fly off.[25]
March 16 (Flight day 2)
Following the crew's wakeup call, the members of STS-119 set to work on the day's task of inspecting Discovery'sthermal protection system.[26][27] Using the shuttle's robotic arm and the Orbiter Boom Sensor System (OBSS), the crew performed the five-hour inspection, and the images and video from the survey would be reviewed by the image analysis team on the ground.[26] In preparation for docking with the space station on flight day three, the crew performed a checkout of the spacesuits that would be used during the mission, as well as extending the ring of the orbital docking system, and installing the docking system's centerline camera.[26]
Initial review of the flight ascent imagery indicated no major problems with foam loss or debris strikes to the orbiter. During the day's Mission Management Team briefing, chairman LeRoy Cain noted that the launch was "picture perfect" and the orbiter was in excellent condition.[28] Cain also noted that after an initial review of the telemetry from the launch, the hydrogen flow control valves performed as expected, with no issues seen.[28]
March 17 (Flight day 3)
The crew of Discovery got to work in the morning preparing for rendezvous and docking with the space station.[29][30][31] After performing the rendezvous pitch maneuver (RPM) to allow the Expedition 18 crew to photograph the underside of the orbiter, Discovery successfully docked with the station at 21:20 UTC.[29] Following hatch leak checks, the hatches were opened at 23:09 UTC.[29] After greeting each other, the crews had a mandatory station safety briefing, and then set to work with initial transfers, including the exchange of Magnus' Soyuz seat liner for Wakata's. The swap of the seat liners marked Wakata officially joining the Expedition 18 crew as flight engineer, and Magnus became a mission specialist for STS-119.[29][30][31]
During the Mission Status briefing, Lead Flight Director Paul Dye commended Archambault on a picture perfect docking.[31] Dye said that no major issues or anomalies were being tracked, but noted that the image analysis team was still working on ascent imagery, and would be reviewing the RPM imagery before making a decision as to whether Discovery would require a focused inspection.[31]
March 18 (Flight day 4)
Following the crew's post-sleep activities, the two crews set to work preparing for the next day's spacewalk, by moving the S6 truss out of Discovery's payload bay. Due to clearance restrictions, the station's robotic arm was not able to perform the move by itself, so a series of 'handoffs' were performed to prepare the truss for installation.[32] Phillips and Magnus controlled the station's arm, grappled the truss and moved it into a position where the shuttle's robotic arm, operated by Antonelli, could take possession.[32]
The station arm was then moved along the mobile base to a work site on the far right side, closer to the installation point. The shuttle's robotic arm then handed the truss back to the station's arm, where it remained overnight.[32][33]
The crews took part in a media event with Channel One News, and performed a review of the procedures for the first EVA. Mission Specialists Swanson and Arnold spent the night in the Quest airlockcamping out in a reduced-nitrogen atmosphere, a standard procedure designed for spacewalkers to prevent decompression symptoms.[33][34]
During the Mission Management Team briefing, Lead ISS Flight Director Kwatsi Alibaruho noted that the imagery specialists with the Damage Assessment Team had completed the initial review of the launch and flight day 2 photography, and a focused inspection of the orbiter would not be required.[32][33]
March 19 (Flight day 5, Spacewalk 1)
The two crews set to work following their wake up call, preparing for the first spacewalk of the mission. Swanson and Arnold exited the Quest airlock at 16:22 UTC to begin the installation of the S6 truss segment.[35][36] Once Swanson and Arnold were in position, Phillips and Wakata remotely controlled the station's robotic arm, maneuvering the truss into its final position. Swanson and Arnold then bolted the truss into place, and connected power and data cables, which allowed the ground team to begin remote activation of the segment.[36] The two spacewalkers also removed launch locks, stowed a keel pin, removed and jettisoned four thermal covers, and deployed the blanket boxes that hold the solar arrays in place during launch.[32][37] The spacewalk ended at 21:11 UTC, for a total time of 6 hours, 7 minutes.[32]
Initially scheduled for flight day 8, managers on the ground decided to move up the deployment of the solar arrays, following the decision that a focused inspection would not be required. It was decided that the deployment of the arrays would be performed on flight day 6, prior to the mission's second spacewalk, in case any issues arose that required a spacewalk to resolve.[36]
March 20 (Flight day 6)
As part of the re-planning for the mission, the crews set to work in the morning deploying the solar wings on the S6 truss.[38][39] To prepare for the extension of the arrays, the station was maneuvered into a position that allowed constant sunlight to hit the arrays, which allowed them to warm up and prevent what the mission team calls 'stiction', or a sticky friction that happens after the arrays have been in storage for an extended period of time.[39]
The unfurling of the arrays started at 15:06 UTC, beginning with the channel 1B array. Commanding the unit from the station, Philips paused at the halfway point, and allowed the array to rest in the sun for approximately 45 minutes, and then completed the extension.[40] After successfully extending the 1B array, the astronauts started the 3B array extension at 16:35 UTC. The 3B array was expected to be more difficult to extend, as it had been packed in the blanket box for eight years.[38] As with the first, a pause at halfway was performed to allow the arrays to heat up in the sun. While some stiction was seen, once the final extension began all the slats flattened out, and the arrays were fully deployed at 17:17 UTC.[40] The addition of the final set of solar panels brings the station's power output to 120 kilowatts, and doubles the scientific power to 30 kilowatts.[39] The station's surface area of the arrays is just under one acre, or 38,400 square feet.[39]
During the Mission Status briefing, Alibaruho expressed how pleased the teams on the ground were with the successful deployment of the arrays, and commended the crew on the deployment activities.[38] Mission Management Team Chairman LeRoy Cain noted that the team was working on a revised timetable to allow critical experiment samples to return to Earth safely. The samples need to be kept in a cold environment, and in the event weather delayed the landing, the team evaluated the best way to preserve the samples. The team approved a revised flight plan that allows Discovery to delay hatch closure and undocking slightly, to allow the samples to be kept inside the station's freezer longer, while still protecting the landing date of March 28.[38] Instead of closing the hatch the night before undocking, the hatch would be closed on the same day, flight day eleven.[38]
It was a truly fantastic day in space. The International Space Station team and its partnerships are on cloud nine with the completion of the integrated truss assembly, as well as the finalization of our electrical power grid on the space station. It took years to get here. We had some struggles along the way, but it's a major accomplishment for NASA and the partnership team.[38]
— Dan Hartman, Space Station Mission Management Team Chairman
March 21 (Flight day 7, Spacewalk 2)
Swanson and Acaba began the second spacewalk at 16:51 UTC. They loosened bolts, installed foot restraints and prepared tools so that the STS-127 spacewalkers could more easily change out the Port 6 truss batteries later this year. On the Japanese Kibo laboratory they installed a second Global Positioning Satellite antenna. They photographed areas of radiator panels extended from the Port 1 and Starboard 1 trusses and reconfigured connectors at a patch panel on the Zenith 1 truss that power Control Moment Gyroscopes. After struggling with a pin that kept an Unpressurized Cargo Carrier Attachment System (UCCAS) from fully deploying, they tied UCCAS safely in place. The spacewalk ended at 23:21 UTC, for a time of six hours and thirty minutes.[42]
March 22 (Flight day 8)
At 20:31 UTC, Discovery rotated the shuttle-station complex 180 degrees, to avoid a piece of orbital debris. At 23:23, Discovery began rotating the station back to normal attitude, with the shuttle in 'back'.
Fincke continued to work on the Urine Processor Assembly, while Acaba and Arnold entered the Quest Airlock to prepare for the mission's third spacewalk.[43]
March 23 (Flight day 9, Spacewalk 3)
Acaba and Arnold completed the mission's third spacewalk. They helped robotic arm operators relocate the Crew Equipment Translation Aid (CETA) cart from the Port 1 to Starboard 1 truss segment, installed a new coupler on the CETA cart, and lubricated snares on the space station's robotic arm.
They were unable to deploy the Port 3 unpressurized cargo carrier attachment system (UCCAS). They secured the UCCAS in place until engineers can evaluate the problem. Mission Control cancelled the installation of a similar payload attachment system on the starboard side. The port UCCAS was deployed successfully during STS-127 by releasing the stuck pin with a custom made tool.
The spacewalk lasted six hours, 27 minutes. It began at 15:37 UTC and concluded at 22:04 UTC.[44]
March 24 (Flight day 10)
At 17:05 UTC, all crew members aboard Discovery and the space station gathered in the station's Harmony module and spoke to the President of the United States, members of the United States Congress, and students during a joint news conference.[45]
March 25 (Flight day 11, Undocking)
Crew members from space shuttle Discovery and the International Space Station closed their respective hatches at 17:59 UTC. The Space Shuttle undocked from the International Space Station at 19:53 UTC.[46]
March 26 (Flight day 12)
Antonelli used the shuttle's robotic arm to grapple the Orbiter Boom Sensor System enabling the cameras and laser sensors to scan Discovery for signs of damage from orbital debris.[47]
March 27 (Flight day 13)
The crew stowed items in the crew cabin and completed a check out the orbiter's flight control surfaces.[48]
March 28 (Flight day 14, Landing)
Following the wake up call, the crew on board Discovery got to work preparing for entry. After the first landing opportunity was waved off due to high wind concerns, the team on the ground gave the crew a 'go' to proceed with the second opportunity.[1] Following the deorbit burn, the orbiter landed successfully at 15:13 EDT.[1]
Extra-vehicular activity
Three spacewalks were scheduled and completed during STS-119. The cumulative time in extra-vehicular activity during the mission was 19 hours and 4 minutes.
Installed the Starboard 6 (S6) truss to the S5 truss, connected S5/S6 umbilicals, released launch restraints, removed keel pins, stored and removed thermal covers, and deployed the S6 photovoltaic radiator.[49][50][51]
Advanced preparation of a worksite for STS-127, partial installation of an unpressurized cargo carrier attachment system on the P3 truss, installation of a Global Positioning Systemantenna to the Kibo laboratory, infrared imagery of panels of the radiators on the P1 and S1 trusses.[52][53]
EVA 3
Acaba Arnold
March 23, 2009 15:37
March 23, 2009 22:04
6 hours, 27 minutes
Relocation of a crew equipment cart, lubrication of station arm grapple snares, attempted deployment of a cargo carrier.[54]
Wake-up calls
A tradition for NASA human spaceflights since the days of Gemini, is that mission crews are played a special musical track at the start of each day in space. Each track is specially chosen, often by their family, and usually has a special meaning to an individual member of the crew, or is applicable to their daily activities.[55][56]
Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ). Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).
Seal of Nueva VizcayaVersionsFlag of Nueva VizcayaModified version of the seal ArmigerNueva VizcayaAdopted1917 (reinstated in 2013)BlazonPer pale and to the dexter tierced per fess, on chief or two palays, on fess two mountains proper, on base waves of seven argent and argent over all two logs, argent, a latin cross gules highlighted by an oak tree vert on earth proper with two sable wolves passant, the three arms of the cross peeking behind the tree's tip, bordure or, charged with four lions...
Unifah RosyidiLahir5 April 1962 (umur 61)Cirebon, Jawa BaratKebangsaanIndonesiaAlmamaterIKIP BandungPekerjaanGuru, DosenDikenal atasKetua Umum PB PGRI terpilih 2017-2019 Ketua Umum PB PGRI terpilih 2019-2024 Prof. Dr. Unifah Rosyidi, M.Pd. (lahir 5 April 1962) adalah Ketua Umum Pengurus Besar (PB) Persatuan Guru Republik Indonesia (PGRI) yang terpilih dan ditetapkan pada Konferensi Kerja Nasional (Konkernas) ke-IV di Medan tahun 2017, menggantikan almarhum Dr. Sulistiyo, M.Pd., Ketua Umu...
Manolo Gabbiadini Gabbiadini en 2017Datos personalesNacimiento Calcinate, Italia26 de noviembre de 1991 (32 años)Nacionalidad(es) ItalianaAltura 1,86 metrosCarrera deportivaDeporte FútbolClub profesionalDebut deportivo 2010(Atalanta B. C.)Club Al-Nasr S. C.Posición DelanteroGoles en clubes 103Selección nacionalSelección ITA ItaliaPart. (goles) 13 (2)[editar datos en Wikidata] Manolo Gabbiadini (Calcinate, provincia de Bérgamo, Italia, 26 de noviembre de 199...
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Микола Павлович Гугнінрос. Николай Павлович Гугнин Народження 29 липня 1916(1916-07-29)Фащівка, (нині Грязінський район,Липецька область)Смерть 7 грудня 1987(1987-12-07) (71 рік)Кременчук, Полтавська область, Українська РСР, СРСРПоховання КременчукКраїна СРСРПриналежність Радянсь
Untuk film tahun 2003, lihat Blind Swordsman: The Zatoichi. Zatoichi dalam poster film pertama, The Tale of Zatoichi (1962) Zatoichi (座頭市code: ja is deprecated , Zatōichi) tokoh fiksi Jepang yang diciptakan oleh novelis Kan Shimozawa, dan pertama kali ditampilkan dalam seri film chanbara produksi studio Daiei. Nama tokoh ini, Zatōichi berasal dari kata Zatō no Ichi yang berarti Ichi Si Tukang Pijat Tunanetra. Zatoichi buta pada kedua matanya, dan mencari nafkah sebagai tukang pijat. ...
Deggendorf Stad in Duitsland Situering Deelstaat Beieren Landkreis Deggendorf Regierungsbezirk Neder-Beieren Coördinaten 48° 50′ NB, 12° 58′ OL Algemeen Oppervlakte 77,14 km² Inwoners (31-12-2020[1]) 33.750 (438 inw./km²) Hoogte 314 m Burgemeester Christian Moser (CSU) Overig Postcode 94469 Netnummer 0991 Kenteken DEG Stad 7 Ortsteile Gemeentenr. 09 2 71 119 Website www.deggendorf.de Locatie van Deggendorf in Deggendorf Portaal Duitsland Deggendorf i...
1964 film by Tinto Brass Ça ira - Il fiume della rivoltaDirected byTinto BrassWritten byTinto BrassGian Carlo FuscoFranco ArcalliProduced byZebra FilmCinematographyBruno BarcarolMusic byRomolo GranoRelease date3 December 1964Running time85 minsCountryItalyLanguageItalian Ça ira - Il fiume della rivolta, also released internationally as Thermidor, is an Italian collage film combining documentary and drama genres, directed by Tinto Brass. Taking its name from the popular revolutionary song Ç...
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Serlo[1] was Dean of Exeter between 1225 and 1231.[2] He is buried at Exeter Cathedral.[3] Previously he had been Rector of Colaton Raleigh.[4] Notes ^ Deans of Exeter Archived 9 May 2008 at the Wayback Machine ^ Dates of incumbency ^ Find a grave ^ East Devon villages Archived 20 August 2008 at the Wayback Machine Catholic Church titles Preceded byInaugural appointment Dean of Exeter 1225–1231 Succeeded byRoger de Wynkleigh vteDeans of ExeterHi...
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Artikel ini sebatang kara, artinya tidak ada artikel lain yang memiliki pranala balik ke halaman ini.Bantulah menambah pranala ke artikel ini dari artikel yang berhubungan atau coba peralatan pencari pranala.Tag ini diberikan pada November 2022. Christopher Nöthe Informasi pribadiTanggal lahir 3 Januari 1988 (umur 35)Tempat lahir Castrop-Rauxel, Jerman BaratTinggi 1,84 m (6 ft 1⁄2 in)Posisi bermain PenyerangInformasi klubKlub saat ini SpVgg Greuther FürthNomor 9Kar...
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This article does not cite any sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed.Find sources: The Hidden Window Mystery – news · newspapers · books · scholar · JSTOR (December 2010) (Learn how and when to remove this template message) The Hidden Window Mystery 1st Edition CoverAuthorCarolyn KeeneCountryUnited StatesLanguageEnglishSeriesNancy Drew Mystery StoriesGenreJuve...
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For the Canadian association football club, see FC Ukraine United. The Political Party Ukraine United (Ukrainian: Політична партія «Україна соборна»; Politychna Partiya Ukrayina Soborna) is a political party in Ukraine registered in 2005.[1] Politics of Ukraine Constitution Human rights Presidency President Volodymyr Zelenskyy Office of the President National Security and Defence Council Presidential representatives Presidential symbols Executive Prime M...
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