NASA astronauts successfully installed new roll-out arrays on the International Space Station during a Thursday spacewalk, bringing more efficient power.
IROSA’s are generally lighter and use energy more efficiently than ISS Solar array wings. Since its debut, NASA has been installing IROSA’s through a series of spacewalks. The new arrays augment the existing power supply and restore power to previous levels when the original arrays were installed.
The array installed Thursday is 60 feet by 20 feet wide, shading a little more than half of the original array. Each new IROSA produces more than 20 kilowatts of electricity and together enables a 30% increase in power production over the station’s current arrays. The latest installation marked the 265th spacewalk in support of space station assembly, upgrades and maintenance, NASA said.
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