The newly discovered lake is believed to date from the Hesperian era and postdates the end of the warm and wet period on Mars by 300 million years, according to the study.

• 该研究表明，最新发现的这一湖泊是在赫斯伯利亚纪时期形成的，比火星温暖湿润季的结束还晚3亿年。