Two Russian cosmonauts will venture out into the vacuum of space today, and you can watch it live.
Alexey Ovchinin and Ivan Vagner of Russia's space agency Roscosmos will begin a spacewalk, or extra-vehicular activity (EVA), outside the International Space Station (ISS) on Thursday (Dec. 19) beginning at 10:10 ET (1310 GMT). The spacewalk is expected to last six-and-a-half hours as the two Expedition 72 crewmates install a new instrument that will measure cosmic X-ray sources as well as new electrical equipment, according to NASA.
