Новости МКС

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Timelapse over Canada and Northern America

European Space Agency, ESA

Опубликовано: 6 окт. 2017 г.

On 20 September 2017, ESA astronaut Paolo Nespoli shot this amazing timelapse showing Earth by night while travelling on board the Space Station from British Columbia to the Great Lakes: coast to coast in 20 seconds!

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Space to Ground: Out the Door: 10/06/2017

NASA Johnson

Опубликовано: 6 окт. 2017 г.

NASA's Space to Ground is your weekly update on what's happening aboard the International Space Station.

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Space Station Crew Discusses Their Mission with Michigan Students

NASA

Опубликовано: 6 окт. 2017 г.

Aboard the International Space Station, Expedition 53 Commander Randy Bresnik and Flight Engineer Joe Acaba of NASA discussed life and research on the orbital outpost during an in-flight educational event Oct. 6 with students at the Gaylord St. Mary Cathedral School in Gaylord, Michigan. Bresnik launched to the station in July and is scheduled to be on station through mid-December, while Acaba is in the first month of a planned five-and-a-half month mission on the laboratory.

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TSIS - 0:34 ÷ 1:09

Inside KSC! for Oct. 6, 2017

NASAKennedy

Опубликовано: 6 окт. 2017 г.

NASA's Commercial Crew Program is holding an artwork contest through Nov. 2 for all Earthlings 4 to 12 years old. The winning artwork will be used in a 2018 calendar. Also, some of the experiments that will be delivered to the International Space Station aboard the next SpaceX commercial resupply services mission, such as the Total and Spectral Solar Irradiance Sensor, have arrived at Kennedy Space Center ahead of launch.

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https://www.nasa.gov/image-feature/suited-up-for-a-days-work

Oct. 6, 2017

Suited Up for a Day's Work



Suited up for his spacewalk, astronaut Randy Bresnik is wearing his Extravehicular Mobility Unit during an October 5 spacewalk to replace a degraded Latching End Effector on the tip of the International Space Station's robotic arm, the Canadarm2.

Image Credit: NASA


Last Updated: Oct. 6, 2017
Editor: Yvette Smith

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Paolo Nespoli‏Подлинная учетная запись @astro_paolo 6 ч. назад

Keep calm and... DO look down @AstroKomrade !! #spacewalk #VITAmission

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Сергей Рязанский‏Подлинная учетная запись @SergeyISS 6 ч. назад

Наш маленький космический огород, кусочек родной Земли: 3 огурца, 1 горох, 2 петрушки, 3 укропа. // Our small space garden

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Paolo Nespoli‏Подлинная учетная запись @astro_paolo 2 ч. назад

"Say cheese Paolo!"... No wait I wasn't ready! #ISSpresso behind the scenes #VITAmission

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Randy Bresnik‏Подлинная учетная запись @AstroKomrade 1 ч. назад

Amazing views during our #spacewalk. What a phenomenal way to experience our world, I highly recommend it if you have the chance!

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Intl. Space Station‏Подлинная учетная запись @Space_Station 14 мин. назад

Two @NASA_Astronauts will go back outside Tuesday for their mission's second spacewalk. Here are scenes from the first spacewalk.

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Randy Bresnik‏Подлинная учетная запись @AstroKomrade 12 ч. назад

#Spacewalk selfie on this #SelfieSunday . A day at the office doesn't get any better than this!

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Randy Bresnik‏Подлинная учетная запись @AstroKomrade 11 ч. назад

.@Space_Station our science is inside and out. Japanese Experiment Module Exposed Facility where experiments abound. #Spacewalk

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Randy Bresnik‏Подлинная учетная запись @AstroKomrade 10 ч. назад

My spacewalking crewmate @Astro_Sabot is now 221st Human to have ventured into the void of space in his own personal spacecraft! #Spacewalk

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Paolo Nespoli‏Подлинная учетная запись @astro_paolo 11 ч. назад

Time for a weight check...Oh wait, no weight in weightlessness! But we can still measure our mass with this special space scale #VITAmission

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Сергей Рязанский‏Подлинная учетная запись @SergeyISS 3 ч. назад

Гора Эверест в сумеречном свете // Mountain Everest in twilight

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АНОНС

Intl. Space Station‏Подлинная учетная запись @Space_Station 15 мин. назад

We're answering #AskNASA questions live again on @NASA TV during spacewalk coverage starting Tuesday at 6:30am ET. https://www.nasa.gov/live 

13:30 ДМВ

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http://spaceflight101.com/iss/iss-us-eva-45-preview/

ISS Astronauts Hope for Repeat Spacewalk Success on Tuesday
October 9, 2017

Astronauts Randy Bresnik and Mark Vande Hei are gearing up for their second spacewalk in five days, looking to repeat the success of last Thursday's excursion that accomplished all primary objectives plus a pair of extra tasks. Venturing outside the International Space Station on Tuesday, the spacewalkers are set for six and a half hours of work on a long task list that ranges fr om servicing a new end effector on the Station's robotic arm and removing insulation blankets to putting in place a new set of cameras.

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NASA Astronaut Randy Bresnik Pictured during the October 5 Spacewalk – Photo: NASA

Bresnik and Vande Hei spent six hours and 55 minutes outside the Station on Thursday, replacing one of two Latching End Effectors on Canadarm2 after a motor stall in August left the arm without the ability to form an electrical and data bridge, no longer allowing it to walk off between locations or grasping powered elements. The two made efficient work removing the degraded unit and replacing it with a Latching End Effector formerly used on a temporary payload platform on the Station's Mobile Base System.


Bresnik & Vande Hei during the LEE Replacement – Photo: NASA TV

Keeping Canadarm2 in working condition its a major concern for ISS managers since the arm has become a central element for Station operations. Over its 16-year career on Station, Canadarm2 has taken on a number of tasks including the critical role of capturing arriving cargo vehicles and sending them away when their stay at ISS ends. It also assisted in the assembly of the complex by installing large modules and truss segments in the early years of the program and nowadays works in combination with the two-armed Dextre robot to carry out external maintenance and install payloads, tasks that would otherwise require spacewalks.

Thursday's replacement of the partially failed Latching End Effector A (LEE-A) was the first critical step in returning the arm to full service. Tuesday's EVA will begin a lengthy lubrication task on the end effector to ensure its moving parts run smoothly for the next several years with additional lubrication expected on the third spacewalk planned this month, to be performed on October 18.

>> Recap of U.S. EVA-44 & Details on Canadarm2


Image: NASA TV

Randy Bresnik, stepping into the void for the fourth time in his career, will reprise the role of lead spacewalker, joined by EV-2 Mark Vande Hei who will be making his second career EVA on Tuesday. They will be supported in orbit by Joe Acaba who serves as the lead IV crew member, assisting the spacewalkers during suit ingress and a multi-hour EVA preparation process. Paolo Nespoli will help during EVA preparation and then serve as robotics operator as there are a number of robotic elements involved in the EVA.

Designated U.S. EVA-45, the spacewalk is expected to begin around 12 UTC and outlines a fairly long list of tasks for the crew. Unlike Thursday's EVA that saw the crew work on a main task in a single location, EVA-45 will have them work different tasks including solo work by the spacewalkers.


PFCS Rotation at ESP-1 – Image: NASA/DOUG

Exiting the Quest airlock, the two spacewalkers will go through the usual checks of their safety equipment and space suits before heading into their EVA procedure that starts for Randy Bresnik with a very quick task on the outside of the Equipment Lock of Quest where he will reconfigure a latch on a high-pressure nitrogen tank. He will then pick up an Articulating Portable Foot Restraint (APFR) and move to the port side of the Destiny laboratory to set up shop for the rotation of a spare Pump Flow Control Subassembly (PFCS)

Mark Vande Hei will make his way over to familiar ground at the P1 truss where most of the work took place on Thursday. He will stow a tool bag on the port CETA Cart (Crew & Equipment Translation Aid) and pick up an APFR for installation on the new LEE-A of the robotic arm, requiring a socket to be attached to the LEE first. Between EVA-44 and 45, the robotic arm completed two base changes fr om Node 2 to have LEE-B on the Mobile Base System and LEE-A as the free-flying end of the arm.


Common Structural Interface – Photo: NASA TV

The two crew members will meet up at Destiny's External Stowage Platform 1 for the rotation of the PFCS by 90 degrees – a step necessary for a future ammonia vent on the unit prior to a potential installation on the Station. PFCS is a central component of the Station's Photovoltaic Thermal Control System, containing all the pumping and routing equipment for flowing ammonia through the cooling loops of the electrical power system components within each of the Station's eight power channels.

The PFCS spare was delivered along with ESP-1 by Space Shuttle Discovery in March 2001 and uses what is known as a Common Structural Interface CSI – essentially the predecessor of the FRAM (Flight Releasable Attachment Mechanism) used on all but the earliest ISS payloads. Unlike the FRAM that can be manipulated robotically, the CSI can only be operated by spacewalkers via a handle to open and close the latches within a square structural interface grid and the system can not host powered payloads. As the very first Orbital Replacement Unit delivered to ISS, the ESP-1 PFCS uses this piece of "antique" hardware because the FRAM system was not yet operational.


Image: NASA

Back at P1, Mark Vande Hei will grab the ORU bag pre-positioned earlier and then ingress the robotic arm for a ride over to Camera Port 9 on the nadir face of the port truss. While Paolo Nespoli maneuvers EV-2 into position, Bresnik will dismantle the foot restraint and bring a camera bag from the airlock to Vande Hei's location.

A typical ISS Camera Group comprises a stanchion, a CLPA (Camera, Light, Pan & Tilt Assembly) providing standard definition, 4:3 aspect ratio video from the outside of ISS. Some camera groups have been outfitted with an additional high-definition camera assembly over the last year in an effort to bring ISS into the current decade wh ere HD video has become commonplace. Camera Port 9 received its HD Camera on EVA-37 in September 2016, but its standard-definition camera has for some time exhibited signs of degradation and had been earmarked for replacement for some time.


CLPA Replacement – Image: NASA/DOUG

At the worksite, Vande Hei will remove the HD camera by unplugging its electrical connector and sliding it out of its slot on the SD camera enclosure (video from the HD cameras is transmitted wirelessly). Next, he will demate the CLPA connector and release a central structural bolt with his Pistol Grip Tool and remove the entire CLPA. Bresnik will hand over the spare and EV-2 will work through the reverse process, soft-docking the CLPA, driving the bolt, connecting the CLPA and re-installing the HD camera.

Once maneuvered back to the forward face of P1, Vande Hei will egress the arm and transition the foot restraint to a Worksite Interface on the truss for the arm lubrication task. Nespoli will bring the new LEE-A within reach of Vande Hei for the lubrication of the Central Rigidizing Ballscrew of the end effector, the easiest accessible component requiring lubrication.


Canadarm Latching End Effector – Photo: NASA TV


Ballscrew Lubrication – Photo: NASA TV

Armed with a grease gun and BLT (Ballscrew Lubrication Tool), Vande Hei will get to work by depositing vacuum grease onto the cradle of the BLT which he can then ins ert in to the end effector to transfer the lubricant onto the screw. Per the EVA plan, only the central screw is to be lubricated on Tuesday with further lubrication on the four latches and their moving parts planned on the October 18th EVA by Bresnik and Acaba.

While Vande Hei is busy with Canadarm2, Bresnik will drop the removed camera off at the airlock and translate over to the Mobile Transporter wh ere he will remove a camera lens that has had a contamination issue for some time. Also, he will demate a socket from the former Latching End Effector A that has been installed on Thursday as POA LEE (Payload/Orbital Replacement Unit Accommodations).

EV-1 will then move his foot restraint back to External Stowage Platform 2 and stow a medium ORU bag at the airlock before venturing around Node 1 and onto Node 3. There, he will be tasked with the removal of two hand rails on the module's endcone by releasing two bolts on each hand rail with the Pistol Grip Tool. The hand rails are being removed as their ports will be used for the installation of Enhanced Wireless Antennas on a future EVA to improve the Station's ability to route wireless video from external cameras as well as spacewalk communications/video.


Photo: NASA

Depending what the EVA clock shows at this point, the crew members will either clean up their work sites or press on with get ahead tasks. Available get aheads include the preparation of an Ammonia Pump module on ESP-2 for future relocation and removal a multilayer insulation blanket/tie down of a skirt on a spare Battery Charge/Discharge Unit to enable the station's Dextre robot to grasp the unit if a spare is needed in the future. Another get-ahead option would be to keep Mark Vande Hei in position at P1 to complete additional lubrication of LEE-A in order to free up time on the next EVA.

Provided Tuesday's EVA completes its planned tasks, the October 18 excursion by Randy Bresnik and Joe Acaba will be dedicated to the installation of an HD Camera on Camera Port 3, the replacement of a Camera Group on Port 13, changeout of a fuse on the Dextre robot, lubrication of LEE-A's latches, and the removal of an MLI cover on a Main Bus Switching Unit spare for future robotic relocation if needed.

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https://blogs.nasa.gov/spacestation/2017/10/10/spacewalkers-going-outside-second-time-in-less-than-a-week/

Spacewalkers Going Outside Second Time in Less Than a Week
Posted on October 10, 2017 at 5:34 am by Mark Garcia.


Spacewalkers Mark Vande Hei and Randy Bresnik are pictured Oct. 5, 2017, working outside the International Space Station.

Expedition 53 Commander Randy Bresnik and Flight Engineer Mark Vande Hei of NASA will head outside the International Space Station at approximately 8 a.m. EDT Tuesday to begin a 6.5-hour spacewalk. Live coverage will be available on NASA Television and the agency's website beginning at 6:30 a.m.

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During Tuesday's spacewalk, Bresnik and Vande Hei will lubricate the Canadarm2 Latching End Effectors (LEE) that the spacewalkers replaced Oct. 5. Canadarm2 has two identical Latching End Effectors used to grapple visiting cargo vehicles and payloads, provide data and telemetry to the rest of the Canadian-built Mobile Base System and the unique capability to "walk" from one location on the station's truss to another. The Canadarm2 grappling mechanism that was replaced last week experienced a stall of its motorized latches last month.

This will be the 204th spacewalk in support of space station assembly and maintenance, and the second of planned for October.

Follow @space_station on Twitter for updates on the station and crew activities. For more information about the International Space Station, visit www.nasa.gov/station.

This entry was posted in Expedition 53 and tagged Canadarm2, Canadian Space Agency, European Space Agency, International Space Station, NASA, Roscosmos, spacewalk on October 10, 2017 by Mark Garcia.

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