土卫二上出现的新虎纹
2020 April 27 Fresh Tiger Stripes on Saturn’s Enceladus Image Credit: NASA, ESA, JPL, SSI, Cassini Imaging Team Explanation: How will humanity first learn of extraterrestrial life? One possibility is to find it under the icy surface of Saturn’s moon Enceladus. A reason to think that life may exist there are long features — dubbed tiger stri...