Two years ago, scientists detected what looked like a salty lake under the surface of Mars' southern ice cap.
원문출처 : https://www.cnn.com/2020/09/29/world/mars-salty-ponds-intl-hnk-scli-scn/index.html
원문출처 : https://www.cnn.com/2020/09/29/world/mars-salty-ponds-intl-hnk-scli-scn/index.html