auroral emission极光发射
auroral belt[地物] 极光带;极光带
auroral substorm[地物] 极光亚暴;极光次暴
auroral spectra极光光谱;极光谱
auroral footprints极光足印
auroral streamer极光幕;极光流
auroral zones极光带;极光地带
auroral ray极光射线
auroral temperature[地物] 极光温度
"a prominent green line in the spectrum of the auroras is called the `auroral line'"
"a dim auroral glow"
同义词：aurorean