NASA astronauts to conduct a pair of spacewalks this month


Washington, July 14

Two NASA astronauts will conduct a pair of spacewalks on July 16 and July 21, to complete a 3.5-year effort to improve the International Space Stations energy system, stated the US house company.

The spacewalks will start round 7.35 am, and will last as long as seven hours, NASA stated on Monday.

NASA astronauts Chris Cassidy and Robert Behnken will change ageing nickel-hydrogen batteries with new lithium-ion batteries delivered to the station on a Japanese cargo ship in May.

The replacements can be on the starboard 6 truss’ 3B energy channel.

During the July 16 spacewalk, they plan to take away 5 of six older nickel-hydrogen batteries for the truss’ energy system and set up three new lithium-ion batteries, in addition to accompanying {hardware}.

The final nickel-hydrogen battery can be faraway from the truss and stowed on July 21, when Behnken and Cassidy enterprise out on the 300th spacewalk involving US astronauts since Ed White stepped out of his Gemini four capsule on June 3, 1965.

In all, 12 spacewalks can have been carried out since January 2017 to alter out batteries for eight energy channels used to route electrical energy on the station, NASA stated.

These would be the 230th and 231st spacewalks within the historical past of house station meeting, upkeep, and upgrades.

They additionally would be the ninth and 10th for Cassidy and Behnken, who will be part of former NASA astronauts Michael Lopez-Alegria and Peggy Whitson with essentially the most spacewalks by Americans.

Cassidy arrived on the house station in April, taking command of Expedition 63.

Behnken, who’s serving as a flight engineer for the expedition, arrived on the station in May with fellow Commercial Crew astronaut Douglas Hurley on SpaceX’s Crew Dragon Demo-2 take a look at flight.—IANS



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