Titan puzzles scientists タイタンは、難問で科学者を困らせる by Wal Thornhill | November 29, 2004 8:36 am On October 26, NASA’s Cassini-Huygens spacecraft swung by Titan at a distance of less than 1200 kilometers, the first of many fly-bys planned in the next few years.10月26日、NASAのカッシーニ・ホイヘンス探査機が1200キロメートル未満の距離でタイタンに…