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ISS astronauts Peggy Whitson and Jack Fischer to conduct 200th spacewalk outside space station on Friday!

Expedition 51 astronauts will venture outside the space station to replace a large avionics box that supplies electricity and data connections to the science experiments, and replacement hardware stored outside the station.


ISS astronauts Peggy Whitson and Jack Fischer to conduct 200th spacewalk outside space station on Friday!
Image credit: NASA

New Delhi: NASA astronauts Peggy Whitson and Flight Engineer Jack Fischer will conduct a landmark 200th spacewalk outside the International Space Station (ISS) on Friday, May 12.

The two astronaut will venture outside the Quest airlock to replace a large avionics box that supplies electricity and data connections to the science experiments, and replacement hardware stored outside the station.

NASA TV will provide complete coverage beginning at 6:30 am EDT.

The ExPRESS Carrier Avionics, or ExPCA is located on the starboard 3 truss of the station on one of the depots housing critical spare parts.

It will be replaced with a unit delivered to the station last month aboard the Orbital ATK Cygnus cargo spacecraft.

According to US space agency, Whitson and Fischer will install a connector that will route data to the Alpha Magnetic Spectrometer and help the crew determine the most efficient way to conduct future maintenance on cosmic ray detector.

During the planned 6.5-hour spacewalk, the astronauts also will install a protective shield on the Pressurized Mating Adapter-3, which was moved from the Tranquility to the Harmony module in March, as reported.

This adapter will host a new international docking port for the arrival of commercial crew spacecraft. Whitson and Fischer also will rig a new high-definition camera and pair of wireless antennas to the exterior of the outpost.

Peggy Whitson, who already holds the US record for most spacewalks by a female astronaut, will make this ninth excursion as extravehicular crew member 1, wearing the suit with red stripes. Fischer, extravehicular crew member 2, will wear the suit with no stripes on his first-ever spacewalk.

From Zee News

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