The Perseverance rover made friends with a pet rock about four months ago, and the two have been inseparable ever since.
원문출처 : https://www.cnn.com/2022/06/09/world/perseverance-pet-rock-mars-scn/index.html
원문출처 : https://www.cnn.com/2022/06/09/world/perseverance-pet-rock-mars-scn/index.html