Astronauts complete installing 1st solar arrays outside ISS Two astronauts onboard the International Space Station (ISS) have successfully completed the deployment of solar arrays, which will soak up the sun's energy to provide electrical power for the numerous research and science investigations conducted every day, as well as the continued operations of the orbiting platform. | 2021-06-22T12:34:52+05:30 WASHINGTON: Two astronauts onboard the International Space Station (ISS) have successfully completed the deployment of solar arrays, which will soak up the sun's energy to provide electrical power for the numerous research and science investigations conducted every day, as well as the continued operations of the orbiting platform.