Non connu Faits sur 北极光
/ˈkɑːr.dɪ.ɡən/ a piece of clothing, usually made from wool, that covers the upper ration of the Pourpoint and the arms, fastening at the positions with buttons, and usually worn over other clothes极光常常出现于纬度靠近地磁极地区上空，一般呈带状、弧状、幕状、放射状，这些形状有时稳定有时作连续性