Public domain
Astronaut Ricky Arnold at Challenger Center
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
NASA astronaut Ricky Arnold watches a timer while students conduct an experiment on effervescence, Friday, May 3, 2019 at the Challenger Center in Lanham, MD. During Expedition 55/56, Arnold completed three spacewalks for a total of 19.5 hours outside the International Space Station (ISS), and concluded his 197 day mission when he landed in a remote area near the town of Zhezkazgan, Kazakhstan in Oct. 2018.
NASA Image and Video Library’s own descriptionSubjects
Credit lineAstronaut Ricky Arnold at Challenger Center. NASA/HQ, 2019-05-03. Public domain. ID: NHQ201905030016.
