Shielded From the SunAstronaut Jack R. Lousma, Skylab 3 pilot, participates in the Aug. 6, 1973 spacewalk. The shield protected part of Skylab from the sun's heat. Look closely in Lousma's helmet to see a reflection of Earth.Image Credit: NASA Facebook Pinterest X LinkedIn Email https://www.nasa.gov/image-detail/257824main-sl3-115-1833-full/Copy URL to clipboard> DownloadShareImage CreditNASASize4095x4095px