Новости МКС

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Запуск микроспутников из J-SSOD #12, модуль "Кибо" МКС

 JAXA | 宇宙航空研究開発機構

[B]Трансляция началась 58 минут назад
21 нояб. 2019 г.

https://www.youtube.com/embed/dVGwtqfEiJY (53:04 47:23)

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https://blogs.nasa.gov/stationreport/2019/11/19/iss-daily-summary-report-11192019/

ISS Daily Summary Report – 11/19/2019

Alpha Magnetic Spectrometer (AMS) Upgraded Tracker Thermal Pump System (UTTPS):

Today, the USOS crew transitioned the UTTPS from its launch configuration to its on-orbit configuration. To achieve this, the USOS crew transferred the UTTPS to the Japanese Experiment Module (JEM) and bungeed it to the JPM1D6 (JEM Pressurized Module Deck 6) location. Once the UTTPS was temporarily mounted to the D6 location, the crew removed the UTTPS radiator cover, released the UTTPS launch restraints, and configured the AMS Alternate Fitting (AF) for EVA operations. Once completed, the crew repositioned the UTTPS in preparation for EVA installation on the AMS.

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CIR/ACME/s-Flames manifold bottle exchange:

As a continuation of the s-Flame experiment, the crew performed a routine manifold bottle exchange. In this activity, the crew replaced a used 30% O2/70% N2 bottle with a new one of the same composition, and replaced the used 45% CH4/55% N2 fuel bottle with a 100% H2 fuel bottle. The purpose of s-Flame is to advance our ability to predict the structure and dynamics, including extinction and instabilities, of both soot-free and sooty flames. The results may contribute to the development of lean-burn engines for improved efficiency and reduced pollutant emissions here on Earth.  S-Flame is one of five experiments hosted by CIR/ACME which is designed to study gaseous flames.

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Fluids Integrated Rack (FIR)/Light Microscopy Module (LMM)/ACE-T5:

The crew installed two bags of desiccant into the LMM to support the on-going ACE-T5 science. The use of desiccant controls the humidity and allows the experiment to use low temperatures without the risk of condensation developing. Colloids are small particles suspended in a liquid. They can self-assemble into higher order structures of various forms. The Advanced Colloids Experiment-Temperature-5 (ACE-T-5) investigation studies a new class of soft materials that contain two non-mixing liquids separated by a layer of colloids, called bi-continuous interfacially jammed emulsion gels, also known as Bijels. Microgravity experiments with bijels allow detailed examination of their stability and the forces at play during their processing without complications arising from gravity.

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ISS Experience:

The crew set up the ISS Experience hardware, recorded an introduction, and the installation of the J-SSOD-12 satellite deployer system, which is planned to deploy its satellites tomorrow. Among other items, the crew discussed the general concept of an airlock, as well as the process for getting the J-SSOD system outside the ISS and maneuvered for deployment. The ISS Experience creates a virtual reality film documenting daily life aboard the ISS. The 8 to 10 minute videos created from footage taken during the six-month investigation cover different aspects of crew life, execution of science aboard the station, and the international partnerships involved. The ISS Experience uses a Z-CAM V1 Pro Cinematic Virtual Reality (VR) 360-degree camera with nine 190° fisheye lenses.

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Japanese Small Satellite Orbital Deployer-12 (J-SSOD – 12):

The crew performed the final two parts of the hardware installation in support of J-SSOD-12. Ground checkout of the system indicated a cable configuration issue, which the crew found and subsequently resolved. J-SSOD-12 is currently planned for a Wednesday deploy and will launch CubeSats AQT-D from Japan, RWASAT-1 from Rwanda, and NARSSCube-1 from Egypt. The J-SSOD provides a novel, safe, and small satellite launching capability to the ISS. The J-SSOD is a unique satellite launcher, handled by the Japanese Experiment Module Remote Manipulator System (JEMRMS), which provides containment and deployment mechanisms for several individual small satellites. Once J-SSOD, including satellite install cases with small satellites, is installed on the Multi-Purpose Experiment Platform (MPEP) by crew members, it is passed through the JEM airlock for retrieval, positioning, and deployment by the JEMRMS.

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JEM Water Recovery System (JWRS) Setup:

The crew assembled the JEM WRS Water Processor and Controller. The Demonstration JWRS will generate potable water from urine. In the past on manned spacecraft, urine and waste water were collected and stored, or vented overboard. For long-term space missions, however, water supply could become a limiting factor. Demonstrating the function of this water recovery system on orbit contributes to updating the Environmental Control and Life Support System (ECLSS) to support astronauts on the space station and future exploration missions.

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Nanoracks (NR) Zero-G oven installation:

The crew set up the NR GoPro camera and recorded the installation of the NR Zero-G oven. Zero-G Oven examines heat transfer properties and the process of baking food in microgravity. It uses an oven designed specifically for use aboard the space station with a top temperature of 363.3° C. On future long-duration missions, fresh-baked food could have psychological and physiological benefits for crew members.

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Rodent Research-14 (RR-14):

The crew performed a routine habitat restock and access unit cleaning in support of the ongoing RR-14 investigation. Rodent Research–14 focuses on microgravity as a disruptor of the 12-hour circatidal clock. The study uses mice to test the hypothesis that disruptions in a microgravity environment to the circadian rhythm sleep/wake cycle will affect the body on a cellular and key organ level. The importance of this 12-hour clock has been established as a mechanism that controls stress-responsive pathways. The unique environment of the ISS provides an ideal setting to challenge this. In short, exposing cellular systems in mice to the stress of microgravity provides an opportunity to study the response of the 12-hour body clock from cellular adaptation and its effect(s) on organismal behavior.

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Environmental Health System (EHS) Operations:

Today, the ISS crew performed the periodic EHS water sampling and Air Quality Monitoring (AQM) measurements. First, the crew collected water samples from the Potable Water Dispenser (PWD) to perform a Total Organic Carbon Analyzer (TOCA) analysis that measures the amount of organic constituents in the potable water.  The crew also tested the water samples for the presence of Coliform bacteria utilizing a Coliform test bag. These two tests are used to determine if the drinking water is still safe for crew consumption. Finally, the crew used the AQM to accurately measure target compounds important to the assessment of the onboard air quality.

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Science Launching On SpaceX CRS 19

 NASA Johnson

20 нояб. 2019 г.

https://www.youtube.com/embed/mGwANxGbM64?feature=oembed (1:57)

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Обнаружен один объект запуска с борта МКС

Код Выделить Развернуть

0 TBA - TO BE ASSIGNED
1 44788U 98067QT  19324.52618123  .00010298  00000-0  18590-3 0  9994
2 44788  51.6438 306.1610 0005130 306.6237  53.3996 15.50342610   77944788 / 1998-067QT : 412 x 419 km x 51.644°,  92.87 min, 2019-11-20 12:37:42 (первичный набор TLE)

Пока неясно - мусор от EVA-59US или один сегодняшних кубосатов.

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https://blogs.nasa.gov/spacestation/2019/11/20/space-biology-human-research-in-middle-of-spacewalk-preps/

Space Biology, Human Research in Middle of Spacewalk Preps

Mark Garcia
Posted Nov 20, 2019 at 1:35 pm


ESA (European Space Agency) astronaut Luca Parmitano is pictured attached to the Canadarm2 robotic arm during the first spacewalk to repair the Alpha Magnetic Spectrometer.

The Expedition 61 crew is gearing up for another complex spacewalk this Friday while juggling an array of advanced science duties today. Three new tiny satellites were also deployed from the International Space Station, continuing to expand the opportunities for space research and technology demonstrations.

Spacewalkers Andrew Morgan and Luca Parmitano are finalizing their review of the intricate work necessary to repair the Alpha Magnetic Spectrometer's (AMS) thermal control system. NASA astronaut Jessica Meir is brushing up on the Canadarm2 robotic arm maneuvers she will use to support the second AMS repair excursion. Live television coverage of this year's 10th spacewalk begins Friday at 5:30 a.m. EST on NASA TV.

NASA Flight Engineer Christina Koch spent the majority of her time today on human research and space biology studies. Koch attached sensors to herself and a worked out on an exercise cycle to measure her aerobic output. She then gathered hardware to begin studying microgravity's impact on cells for the development of potential therapies for Earth and space-bound ailments.

Morgan installed a new incubator that creates artificial gravity to study cells and plants inside Japan's Kibo laboratory module. Meir serviced microbe samples for DNA sequencing before installing a science freezer inside Kibo's Life Sciences Glovebox. Parmitano photographed CubeSats ejected into Earth orbit from Kibo's satellite deployer this morning.

Radiation checks and cardiology research were the focus over in the Russian segment of the orbiting lab today. Roscosmos Flight Engineer Alexander Skvortsov explored how weightlessness affects the heartbeat and blood flow after exploring advanced Earth photography techniques. Cosmonaut Oleg Skripochka collected a variety of radiation detectors and downloaded measurements taken from the U.S. side of the space station.

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Обнаружен второй объект запуска с борта МКС

Код Выделить Развернуть

0 TBA - TO BE ASSIGNED
1 44789U 98067QU  19324.59090399  .00010174  00000-0  18427-3 0  9993
2 44789  51.6451 305.8371 0006450 306.7005  53.3454 15.50258240   77944789 / 1998-067QГ : 412 x 420 km x 51.645°,  92.88 min, 2019-11-20 14:10:54 (первичный набор TLE)

Вопрос всё тот же - мусор от EVA-59US или один сегодняшних кубосатов.

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https://www.nasa.gov/mission_pages/station/research/news/spx19-research

Nov. 20, 2019

Research Launching on SpaceX Dragon to Enable Better Earth Images, Easier Leak Checks

The 19th SpaceX Commercial Resupply Services (CRS-19) contract mission for NASA carries a variety of cutting-edge scientific experiments to the International Space Station. The Dragon cargo spacecraft blasts off from Cape Canaveral Air Force Station in Florida on a Falcon 9 rocket no earlier than Dec. 4, 2019. Its payloads include investigations studying malting barley in microgravity, the spread of fire and bone and muscle loss, which will be added to the dozens of research projects already under way aboard the microgravity lab. The space station, entering its 20th year of continuous human presence, provides opportunities for research by government agencies, private industry, and academic and research institutions. Such research supports Artemis, NASA's missions to the Moon and Mars, and leads to new technologies, medical treatments and products that improve life on Earth.

Read more about some of the scientific investigations riding on Dragon to the orbiting laboratory on CRS-19.

A Better Picture of Earth's Surface

The Japanese Space Agency (JAXA) Hyperspectral Imager Suite (HISUI) is a next-generation, hyperspectral Earth imaging system. Hyperspectral imaging has high resolution across all colors of the light spectrum, providing more information about the characteristics and physical properties of a target. Every material on the Earth's surface – soil, rocks, vegetation, snow, ice and human-made objects – reflects a unique spectrum of light, making it possible to identify specific materials in an image.


This image of the Chapman Glacier, located on Ellesmere Island in Canada, was taken by ASTER. Formed by the merger of several smaller glaciers, rocky debris on top of the glacier clearly marks the edge of each glacier. The JAXA Hyperspectral Imager Suite (HISUI) is a follow-on to ASTER, serving as a next-generation, space-borne hyperspectral Earth imaging system.
Credits: NASA/METI/AIST/Japan Space Systems, and U.S./Japan ASTER Science Team

HISUI provides in-flight performance verification of the system and its acquisition of data, as well as its usefulness for various tasks such as resource exploration and applications in agriculture, forestry and other environmental areas. This investigation is a follow-on to the Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) on NASA's TERRA satellite.

Malting Barley in Microgravity


Barley germinating on the International Space Station as part of Budweiser's experiment, Barley Germination, which launched on SpaceX CRS-13.
Credits: Space Tango

Barley contains antioxidants, vitamins and minerals. Malting converts starches from the raw grain into various sugars suitable for use in brewing, distilling and food production. Understanding how barley responds to microgravity could identify ways to adapt it for nutritional use on long-duration spaceflights. Malting ABI Voyager Barley Seeds in Microgravity tests an automated malting procedure and compares malt produced in space and on the ground for genetic and structural changes.

Communicating Satellite to Satellite


The AzTechSat-1, a CubeSat soon on its way to the space station to demonstrate communication with the Globalstar Constellation satellite network, during its final hardware integration.
Credits: Andres Martinez, NASA Ames

The AztechSat-1 investigation demonstrates communication between a CubeSat and the GlobalStar Constellation satellite network in low-Earth orbit. Such communication could reduce the need for ground stations, lowering the cost and increasing the number of data downloads possible for satellite applications. Inter-satellite communication is critical to future human space exploration. Its reduced cost and increased data capability also could improve many satellite-based services used by people on Earth. The CubeSat will be deployed from the International Space Station's Japanese Experiment Module airlock. This is the first CubeSat built by students in Mexico that will launch from the space station.

The Spread of Fire


Preflight imagery of Confined Combustion in the MSG Ground Integration Unit. Confined Combustion examines the behavior of flame as it spreads in differently-shaped confined spaces in microgravity.
Credits: Chris Rogers

Understanding how fire spreads and behaves in space is crucial for the safety of future astronauts and for understanding and controlling fire here on Earth. The Confined Combustion investigation examines the behavior of flame as it spreads in differently-shaped confined spaces in microgravity. More specifically, it will look at the interactions between spreading flames and surrounding walls. The spread of flames in confined spaces (such as buildings and vehicles) may pose a more serious fire hazard than flame spread in open spaces because of acceleration caused by heat radiating back from the surrounding walls. Studying flames in microgravity gives researchers a better look at the underlying physics and basic principles of combustion by removing gravity from the equation.

Keeping Bones and Muscles Strong

The goal of Rodent Research-19 (RR-19) is to investigate a proposed method of preventing bone and muscle loss. The human body evolved within the constant pull of Earth's gravity. Astronauts have to exercise for multiple hours every day to prevent bone and muscle atrophy during their stays in space. Bone and muscle atrophy also occurs during normal aging, due to a sedentary lifestyle and during illnesses. RR-19 investigates myostatin (MSTN) and activin, molecular signaling pathways that influence muscle degradation, as possible targets for preventing muscle and bone loss during spaceflight and enhancing recovery following return to Earth. This study also could support the development of therapies for a wide range of conditions that cause muscle and bone loss on Earth.

Checking for Leaks


The Robotics Tool Stowage (RiTS) undergoes testing in the Neutral Buoyancy Lab at the Johnson Space Center. The RiTS will allow for the Robotic External Leak Locator to be stored outside the space station, eliminating crew time needed to transport it into space.
Credits: NASA

Nobody wants a spacecraft to spring a leak – but if it happens, the best thing you can do is locate and fix it, fast. That is why NASA launched the Robotic External Leak Locator (RELL) in 2015, and a second RELL in April 2019. Operators can use these tools with the Dextre robot to quickly detect leaks outside of station and help engineers formulate a plan to resolve an issue. On CRS-19, NASA is now launching the Robotic Tool Stowage (RiTS), a docking station that allows the RELL units to be stored on the outside of space station, making it quicker and simpler to deploy the instruments. Outside storage eliminates the need to rely on crew member and airlock availability to move a unit to the outside. These capabilities can be applied to any place that humans live in space, including Gateway and eventually habitats on the Moon, Mars and beyond.

Measuring Gravity From Space

CRS-19 carries upgrades for the Cold Atom Laboratory (CAL), a multi-use facility that produces clouds of atoms chilled to temperatures much colder than deep space. Atoms have almost no motion at such low temperatures, making it possible to study fundamental behaviors and quantum characteristics that are difficult or impossible to probe at higher temperatures. Microgravity may allow for cooling to even colder temperatures than on the ground, and also allows researchers to observe atom clouds for longer periods of time. The new package launching on CRS-19 will include hardware that will allow scientists to make subtle measurements of gravity. This could enable scientists to probe fundamental theories of gravity and lead to the development of improved sensors that can be used for spacecraft navigation and to study Earth's climate.

These are just a few of the many investigations currently being conducted aboard the orbiting laboratory.

Melissa Gaskill

International Space Station Program Science Office
Johnson Space Center

Last Updated: Nov. 20, 2019
Editor: Michael Johnson

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 Luca Parmitano‏ @astro_luca 10 ч. назад

AMS EVA1: @AstroDrewMorgan's last view of me inside the airlock. The next time we'll have a chance to see each other will be in open space.
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#AMS EVA1: Drew mi vede per l'ultima volta dentro l'Airlock. La prossima volta che potremo guardarci a vicenda sarà nello spazio aperto.




10 ч. назад

My first #SpacewalkForAMS task: install a special handling aid before attempting the removal of the debris shield.
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Mentre installo una speciale maniglia prima di tentare la rimozione dell Debris Shield dell'AMS.




4 ч. назад

With only the helmet lights for visibility, I'm using a specially designed tool to remove and capture AMS' many fasteners & washers.
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Con l'aiuto dei fari del casco, uso uno strumento disegnato specificamente per rimuovere e catturare le tante viti (e relativi tondini) dell'AMS.

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Обнаружены ещё три объекта запуска с борта МКС

Код Выделить Развернуть

0 TBA - TO BE ASSIGNED
1 44790U 98067QT  19324.93094571 -.00000461  00000-0  00000+0 0  9992
2 44790  51.6439 304.2033 0004384 233.7174 223.1160 15.50720081    98

0 TBA - TO BE ASSIGNED
1 44791U 98067QU  19324.93102394 -.00000461  00000-0  00000+0 0  9996
2 44791  51.6414 304.1687 0004363 319.6776 137.4086 15.50713851    96

0 TBA - TO BE ASSIGNED
1 44792U 98067QV  19324.93306253 -.00000457  00000-0  00000+0 0  9992
2 44792  51.6407 304.1403 0001949 292.2962 175.7833 15.50491876    9044790 / 1998-067QT : 412 x 418 km x 51.644°,  92.85 min, 2019-11-20 22:20:33
44791 / 1998-067QU : 412 x 418 km x 51.641°,  92.85 min, 2019-11-20 22:20:40
44792 / 1998-067QV : 414 x 417 km x 51.641°,  92.87 min, 2019-11-20 22:23:36

У НОРАД какая-то путаница с международными номерами: QT и QU уже были присвоены ранее КА 44788 и 44789.

Upd.
В базе наборов TLE подправили

Код Выделить Развернуть

0 OBJECT QT
1 44790U 98067QV  19325.82885382 -.00000465  00000-0  00000+0 0  9993
2 44790  51.6406 299.7179 0008657 327.0362 105.7749 15.50759200   233

0 OBJECT QU
1 44791U 98067QW  19325.82914272 -.00000460  00000-0  00000+0 0  9990
2 44791  51.6436 299.6980 0003152 316.0971 118.1974 15.50732577   231

0 OBJECT QV
1 44792U 98067QX  19325.82817324 -.00000462  00000-0  00000+0 0  9993
2 44792  51.6422 299.7171 0006548 335.0545  92.5583 15.50498480   233, идентификация подкачала...

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https://blogs.nasa.gov/stationreport/2019/11/20/iss-daily-summary-report-11202019/

ISS Daily Summary Report – 11/20/2019

AMS-02 (Alpha Magnetic Spectrometer) EVA Preparation:

The crew continued preparation for the AMS repair EVAs with procedure reviews. The multiple AMS-02 repair EVAs are being performed to recover a series of cooling pumps within the AMS-02 experiment. The first of the series of EVAs occurred last Friday. The second EVA is scheduled to occur this Friday, November 22nd.  AMS-02 is a state-of-the-art particle physics detector that uses the unique environment of space to advance knowledge of the universe and lead to the understanding of the universe's origin by searching for antimatter, dark matter and measuring cosmic rays.

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BEST Sample Transfer:

The crew performed the routine cell maintenance activities for week 11 of the on-going BEST experiment 2. These activities involve cell transfer, cell culture media exchange, etc. This type of long-term bacterial growth experiment has not been performed before on ISS. The BEST investigation studies the use of sequencing for identification of unknown microbial organisms living on the ISS, and how humans, plants and microbes adapt to living on the ISS.

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CBEF-L (Cell Biology Experiment Facility-L) Incubator Installation:

The crew performed activities in support of part 1 of the CBEF-L incubator installation into the Saibo Rack. CBEF-L is a new JAXA subrack facility, which is an upgraded facility of the original Cell Biology Experiment Facility (CBEF) currently aboard the ISS. CBEF-L provides new capabilities with additional new resources such as full high definition video interface, Ethernet, a 24 VDC power supply, and a larger diameter centrifugal test environment. By using the original CBEF and CBEF-L as one facility for the same experiment, the payload user is provided with an upgraded experimental environment that can handle the processing of more experimental samples for a wider array of experiments.

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J-SSOD-12 (JEM Small Satellite Orbital Deployer-12):

All 3 satellites were successfully deployed via ground commanding on today. The satellites were:

[/li]
• AQT-D (AQua Thruster-Demonstrator) from Japan:  This satellite has one Delta-V-Thruster (< 4 mili-Newtons of Force) for orbital maneuvers and four Reaction-Control-Thruster (< 1 mili-Newtons of Force) for reaction control.  These thrusters use water as a propellant.
  
• RWASAT-1 (RWanda Satellite-1) from Rwanda: RWASAT-1 has two cameras for monitoring the status of agriculture, and a receiver for data collection from ground based sensors.
  
• NARSSCube-1 (National Authority for Remote Sensing and Space Sciences) from Egypt:  The CubeSat carries a small camera with a ground resolution of 200 meters to gather imagery of Egyptian territory.
  

The J-SSOD is a unique satellite launcher, handled by the Japanese Experiment Module Remote Manipulator System (JEMRMS), which provides containment and deployment mechanisms for several individual small satellites.

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Radi-N2 Retrieve:

The crew retrieved all eight detectors and pouches from the Node 1 locations and delivered them to the Russian crew member for data download. The objective of this Canadian Space Agency investigation is to better characterize the ISS neutron environment, define the risk posed to the crew members' health, and provide the data necessary to develop advanced protective measures for future spaceflight. It's been recognized that neutrons make up a significant fraction (10-30%) of the biologically effective radiation exposure in low-Earth orbit. The bubble detectors used in the investigation are designed detect neutrons and ignore all other radiation.

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HRF Ultrasound Unit Replacement:

The crew assisted with the replacement of the current Ultrasound 2 unit with an identical replacement unit. This is not in response to any anomalies, but due to a CMOS (Complementary metal–oxide–semiconductor) battery lifetime issue. The Ultrasound 2 on the ISS is a modified commercial off-the-shelf Ultrasound system that provides high-resolution ultrasound images of target areas in the human body. The Ultrasound unit works in conjunction with the Human Research Facility (HRF) Video Power Converter, which provides the capability of real-time ultrasound video downlink. The real-time video allows ground personnel to remotely guide crew members in order to obtain the best possible images for use by investigators or medical personnel.

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Spacecraft Atmosphere Monitor:

The crew used a GSC (Grab Sample Container) to collect an ISS cabin air sample within two meters of the Spacecraft Atmosphere Monitor. This Grab sample can be subsequently analyzed on the ground for data comparison purposes. The Spacecraft Atmosphere Monitor investigation demonstrates the capabilities of a small, reliable, portable gas chromatograph/mass spectrometer instrument aboard the ISS to conduct major and minor elements of air measurement (Nitrogen, Oxygen, Carbon Dioxide, Methane, Water, etc). The instrument transmits data back to the ground research team every two seconds, providing a continuous analysis to the ground research team. It has a mass of less than 9.5 kg, and consumes less than 40 watts of power.

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Waste and Hygiene Compartment (WHC) Operations:

The crew performed WHC preventative maintenance today. They gathered the necessary parts for EDV (Water Container [sic]) transfer hose replacement, then configured the Pre-Treated Urine T-Valve by depressurizing the installed EDV transfer hose and replaced the degraded transfer hose with a new hose.

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Hatch Seal Inspection:

The ISS crew cleaned and inspected the USOS Hatch Seals, Hatch Plate Sealing Surface, and Crank Handle Mechanism for debris or damage. Hatch seal inspections are part of periodic maintenance.

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https://blogs.nasa.gov/spacestation/2019/11/21/final-spacewalk-preps-as-life-science-work-ramps-up/

Final Spacewalk Preps as Life Science Work Ramps Up

Mark Garcia
Posted Nov 21, 2019 at 12:50 pm


NASA astronaut Andrew Morgan waves as he is photographed during the first spacewalk to repair the Alpha Magnetic Spectrometer on Nov. 15, 2019.

The Expedition 61 astronauts are in final preparations before Friday's spacewalk to continue repairing the International Space Station's cosmic particle detector. The orbital residents also had time today to set up research hardware for upcoming space biology activities.

Spacewalkers Andrew Morgan and Luca Parmitano will exit the Quest airlock on Friday after setting their U.S. spacesuits to battery power at 6:50 a.m. EST. The duo will translate to the far side of the station's starboard truss structure to continue the intricate work to upgrade the Alpha Magnetic Spectrometer's (AMS) thermal control system. NASA TV begins its live coverage beginning at 5:30 a.m.

Flight Engineers Jessica Meir and Christina Koch will assist the spacewalkers during the excursion from inside the station on Friday. Meir will be on robotics duty maneuvering the Canadarm2 robotic arm while Koch manages their spacesuits.

Even with spacewalk activities dominating the schedule aboard the orbiting lab, the station crew still had time to conduct advanced space research. Meir set up a 3-D bioprinter for a test run today before the device begins manufacturing complex organ-like tissues in space. Koch is readying a variety of life science gear for next week's operations to study how microgravity affects systems at the cellular level for insights into Earth-bound ailments.

The cosmonauts in the Russian segment of the space station focused primarily on lab maintenance. Flight Engineers Alexander Skvortsov and Oleg Skripochka replaced batteries and dust filters. The duo then packed the Progress 72 (72P) resupply ship with trash and repressurized the station with oxygen from the 72P.

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НОРАД частично определился с объектами, запущенными с борта МКС за прошедшие 7 дней

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https://ria.ru/20191122/1561437239.html

Стало известно время возвращения на Землю экипажа МКС
03:15 22.11.2019

МОСКВА, 22 ноя – РИА Новости. Экипаж Международной космической станции вернется на Землю в полдень 6 февраля, сообщил РИА Новости источник на космодроме Байконур.

"Посадка "Союза МС-13", намеченная на 6 февраля 2020 года, состоится в 12.17 мск", - сказал собеседник агентства.

На Землю вернутся российский космонавт Александр Скворцов, командир МКС итальянский астронавт Лука Пермитано, а также американский астронавт Кристина Кук, которая установит мировой рекорд по времени пребывания женщин в космосе за один полет. За время своего пребывания на станции она побьет рекорд, который до этого также принадлежал американке – Пегги Уитсон. Та в 2016-2017 годах пробыла в космосе 289 дней, а суммарный налет за три полета у нее составляет почти 666 суток. К концу полета у Кук накопится около 330 суток пребывания в космосе.
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