On Thursday, September 1, 2016, two NASA astronauts – Jeff Williams and Kate Rubins – will spacewalk outside the International Space Station (ISS) for the second time in less than two weeks. NASA TV will provide complete coverage beginning at 6:30 a.m. EDT (1030 UTC). The spacewalk is scheduled to begin about 8 a.m. EDT (1200 UTC) and last six and half hours. Translate to your timezone.
Here is what the astronauts will be doing during the spacewalk, according to a NASA statement:
Working on the port side of the orbiting complex’s backbone, or truss, Expedition 48 Commander Jeff Williams and Flight Engineer Kate Rubins of NASA will retract a thermal radiator that is part of the station’s cooling system. The radiator is a backup that had been deployed previously as part of an effort to fix an ammonia coolant leak. They’ll also tighten struts on a solar array joint, and install the first of several enhanced high-definition television cameras that will be used to monitor activities outside the station, including the comings and goings of visiting cargo and crew vehicles.
The Thursday spacewalk will be the fifth of Williams’ career and the second for Rubins. Williams will be designated as extravehicular crew member 1 (EV1), wearing a spacesuit with a red stripe. Rubins will be EV2, wearing a suit with no stripes.
Bottom line: Two ISS astronauts will perform a 6.5 hour spacewalk beginning at about 8:00 a.m. ET (12:00 UTC) Thursday, September 1, 2016. NASA TV will broadcast live coverage.
Eleanor Imster has helped write and edit EarthSky since 1995. She was an integral part of the award-winning EarthSky radio series almost since it began until it ended in 2013. Today, as Lead Editor at EarthSky.org, she helps present the science and nature stories and photos you enjoy. She also serves as one of the voices of EarthSky on social media platforms including Facebook, Twitter and G+. She and her husband live in Tennessee and have two grown sons.