Public domain
MCA
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
ISS037-E-001078 (12 Sept. 2013) --- European Space Agency astronaut Luca Parmitano, Expedition 37 flight engineer, performs in-flight maintenance behind a rack in Tranquility node of the International Space Station. Parmitano replaced a mass spectrometer inside the Major Constituent Analyzer (MCA). The MCA measures the levels of nitrogen, oxygen, carbon dioxide, methane, hydrogen and water vapor inside the space station’s atmosphere.
NASA Image and Video Library’s own descriptionCredit lineMCA. NASA/JSC, 2013-09-12. Public domain. ID: iss037e001078.
