Auroral used in a sentence

Auroral in a sentence as an adjective

The most common auroral color, a pale yellowish-green, is produced by oxygen molecules located about 60 miles above the earth.

I think that's a fascinating idea, and it reminded me of Dr. Anthony Peratt's[2] research on the recording of prehistoric auroral events, also in the form of petroglyphs[3].

The article says we've "solved" it, but later on it says:> Steve is an important discovery because of its location in the sub auroral zone, an area of lower latitude than where most auroras appear that is not well researched.

For one, with this discovery, scientists now know there are unknown chemical processes taking place in the sub auroral zone that can lead to this light emission.> Second, Steve consistently appears in the presence of auroras, which usually occur at a higher latitude area called the auroral zone.