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Waspie_Dwarf

Station Astronauts Conducting Spacewalk

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Station Astronauts Conducting Spacewalk

Two Expedition 36 astronauts are venturing outside the International Space Station Tuesday on the first of two July spacewalks to prepare the orbiting complex for a new Russian module and perform additional installations on the station’s backbone.

Flight Engineers Chris Cassidy of NASA and Luca Parmitano of the European Space Agency switched their spacesuits to battery power at 8:02 a.m. EDT, signalling the start of Tuesday's 6 1/2 hour spacewalk from the Quest airlock. NASA Television is proving live coverage of the excursion.

› Watch NASA TV

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Station Astronauts Complete First of Two July Spacewalks

Two Expedition 36 astronauts wrapped up a successful 6-hour, 7-minute spacewalk at 2:09 p.m. EDT Tuesday, completing the first of two July excursions to prepare the International Space Station for a new Russian module and perform additional installations on the station’s backbone.

Flight Engineers Chris Cassidy of NASA and Luca Parmitano of the European Space Agency began the spacewalk at 8:02 a.m. as they switched their spacesuits to battery power. After the two spacewalkers exited the hatch, Cassidy moved to the top of the Z1 truss to remove and replace a Space-to-Ground Transmitter Receiver Controller. This unit, one of two that allows for two independent strings of Ku-band communication for video and data, failed in December 2012.

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"Grab Bag" of Tasks Performed During ISS Spacewalk

Outside the International Space Station, Expedition 36 Flight Engineers Chris Cassidy of NASA and Luca Parmitano of the European Space Agency conducted a spacewalk July 9 to replace a failed communications receiver, relocate grapple bars for future spacewalks and string cables for the future arrival of a Russian laboratory module. The spacewalk was the first of two in as many weeks for Cassidy and Parmitano, who became the first Italian astronaut to walk in space and the 170th spacewalk in support of space station assembly and maintenance. Cassidy now has conducted five spacewalks in his career. They will venture outside the Quest airlock again on July 16 for another series of tasks associated with the upgrade of station hardware.

Source: NASAtelevision - YouTube Channel

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Posted (edited)

One Spacewalk Down, One to Go For Station Astronauts

In the wake of a 6-hour, 7-minute spacewalk Tuesday by Flight Engineers Chris Cassidy and Luca Parmitano, the International Space Station’s Expedition 36 crew turned its attention Wednesday toward next week’s excursion out of the Quest airlock.

Cassidy and Parmitano began their day with some post-spacewalk health exams conducted by Flight Engineer Karen Nyberg in her role as crew medical officer. Afterward Cassidy recharged the water tanks of the U.S. spacesuits with iodinated water.

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Edited by Waspie_Dwarf
corrected source link.

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Luca Parmitano's first spacewalk

Astronauts Luca Parmitano and Chris Cassidy switched their spacesuits to battery power and began their spacewalk outside the International Space Station on 9 July, 2013.

The sortie was planned for six and half hours, but the astronauts proceeded faster than planned and had time for extra ‘get-ahead’ tasks, routing cables and staging equipment to help future spacewalkers. The final duration of Tuesday’s extravehicular activity was 6 hours and 7 minutes.

The primary goals were to replace a Ku-band communications transceiver, retrieve two science experiments that exposed material samples to space, install cables for Russia’s coming Nauka laboratory module, and carry out routine maintenance. Nauka will replace the Pirs module currently attached to the Station.

The highlight of the spacewalk for Luca was surely riding on the platform at the end of the Station’s Canadarm2 robot arm.

Operated by Karen Nyberg inside the Station, the arm moved Luca to the port side of the Station’s long central truss to remove a failed camera that will be returned to Earth for analysis.

Finally, Luca installed a multilayer insulation cover to protect the docking interface of the Pressurized Mating Adapter-2 on the Harmony module.

Luca and Chris will venture out to space again on 16 July to continue work started during this spacewalk.

Credit: ESA

Source: ESA - Space in Videos

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