Readers discuss Mimas’ hidden ocean and ancient cave art
Hidden depths Slight changes in the orbit of Saturn’s moon Mimas hint at the presence of a vast, young ocean beneath the satellite’s icy surface that may have formed between 5 million and 50 million years ago, Adam Mann reported in “This Saturn moon may harbor water” (SN: 3/9/24, p. 8). Reader Bobby Baum asked […]