Adjective
Belonging to, or resembling, the aurora (the dawn or the northern lights); rosy.
Source: Webster's dictionarya dim auroral glow Source: Internet
a prominent green line in the spectrum of the auroras is called the `auroral line' Source: Internet
A smaller number of particles from the solar wind manage to travel, as though on an electromagnetic energy transmission line, to the Earth's upper atmosphere and ionosphere in the auroral zones. Source: Internet
At this time of year the aurora borealis can occasionally be seen on the northern horizon during moderate auroral activity. citation The averages table below is for largest settlement Kirkwall's weather station. Source: Internet
Between 1859 and 1862, Elias Loomis published a series of nine papers on the Great Auroral Exhibition of 1859 in the American Journal of Science where he collected world-wide reports of the auroral event. Source: Internet
It was also later realized that large electric currents were associated with the aurora, flowing in the region where auroral light originated. Source: Internet