Attempting firsts on Mars is hard, even if you're an incredibly capable and advanced robot like the Perseverance rover.
원문출처 : https://www.cnn.com/2021/08/06/world/mars-sample-perseverance-rover-scn/index.html
원문출처 : https://www.cnn.com/2021/08/06/world/mars-sample-perseverance-rover-scn/index.html