１４ Water on Mars【What is the Universe？】Dialogue with the Universe

１４　Water on Mars【What is the Universe？】Dialogue with the Universe
In August 2011. NASA announced, depending on the season at the surface of Mars, "water" may be flowing.

Source: NHK news WEB
http://www3.nhk.or.jp/news/html/20110805/t10014711681000.html