A dim auroral glow.    From Wordnet, Princeton University. 

A prominent green line in the spectrum of the auroras is called the `auroral line'.    From Wordnet, Princeton University. 

You are all colour of dawn, auroral, colour of tender fires.    From Wordnik.com.  [Little Novels of Italy Madonna Of The Peach-Tree, Ippolita In The Hills, The Duchess Of Nona, Messer Cino And The Live Coal, The Judgment Of Borso] Reference

There was, however, little stormy weather and no auroral displays.    From Wordnik.com.  [Scientific American Supplement, No. 433, April 19, 1884] Reference

A breeze blew thinly under strange constellations and auroral flimmer.    From Wordnik.com.  [Ensign Flandry]

Cosette was a condensation of the auroral light in the form of a woman.    From Wordnik.com.  [Les Miserables] Reference

Color said to have been the same as that of the auroral glow in the north.    From Wordnik.com.  [The Book of the Damned] Reference

Nevertheless, Maunder says that this thing had no relation to auroral phenomena.    From Wordnik.com.  [The Book of the Damned] Reference

For this reason, auroral forecasts can only be made two or three days in advance.    From Wordnik.com.  [Aurora Borealis] Reference

Before proceeding to describe the magnificent auroral displays of August 28th and.    From Wordnik.com.  [The Atlantic Monthly, Volume 04, No. 26, December, 1859] Reference

"Gosh, preacher!" breathed Rufe, wide-eyed behind Andy Quam in the shifting auroral lights.    From Wordnik.com.  [Starchild Omnibus]

Geomagnetic storms and the resulting auroral activity, vary unpredictably throughout the year.    From Wordnik.com.  [Aurora Borealis] Reference

The plate of stone glowed a dusky, auroral blue, and a faint keening sound pained Conan's ears.    From Wordnik.com.  [Conan and the Emerald Lotus]

"Please cut off your battery, and let us see if we cannot work with the auroral current alone.".    From Wordnik.com.  [The Atlantic Monthly, Volume 04, No. 26, December, 1859] Reference

The tenuity of this veil is such that it admits of our seeing the stars through the auroral plates.    From Wordnik.com.  [The Atlantic Monthly, Volume 04, No. 26, December, 1859] Reference

The two main atmospheric gases involved in the production of auroral lights are oxygen and nitrogen.    From Wordnik.com.  [Aurora Borealis] Reference

The analogy of the auroral displays with those of electricity in motion, was first pointed out by Dr. A.    From Wordnik.com.  [Continental Monthly , Vol. 6, No. 1, July, 1864 Devoted to Literature and National Policy.] Reference

Thus, auroral displays are more likely around the time of the solar maximum (when solar activity is high).    From Wordnik.com.  [Aurora Borealis] Reference

The town used an auroral generator to give soft outdoor illumination after dark, and went about its business.    From Wordnik.com.  [do you ever read writing?] Reference

These researches naturally led to some speculation about the conditions under which auroral phenomena may occur.    From Wordnik.com.  [Scientific American Supplement, No. 275, April 9, 1881] Reference

Sometimes there were dramatic surges of activity accompanied by spectacular electric and auroral storms around Io.    From Wordnik.com.  [2010 Odyssey Two]

Since 1979, NOAA's polar-orbiting satellites have been measuring the energy flux of particles into the auroral zones.    From Wordnik.com.  [Aurora Borealis] Reference

He switched on his chest lamp, and the green auroral glow was instantly banished by the flood of pure white radiance.    From Wordnik.com.  [Tales of Ten Worlds]

Cyclopean pillars, as though a mountain should stretch up arms raising between them a fairy banner of auroral glories.    From Wordnik.com.  [The Moon Pool] Reference

To assist the study of the disturbances of the magnetic elements and their relations to the auroral light and sun spots.    From Wordnik.com.  [Scientific American Supplement, No. 433, April 19, 1884] Reference

"There's another big auroral display predicted for tonight - Professor Sessui and his merry men certainly timed it well.".    From Wordnik.com.  [The Fountains of Paradise]

Nitrogen in an ionized state will produce blue light, while neutral nitrogen molecules create purplish-red auroral colors.    From Wordnik.com.  [Aurora Borealis] Reference

To left and to right, as far as the eye could see, they stretched — and they vanished in the auroral nebulosity on high!.    From Wordnik.com.  [The Moon Pool] Reference

The rained land beneath was bathed with an eerie, flickering light, for a great auroral display was raging over half the world.    From Wordnik.com.  [Reach For Tomorrow]

As auroral activity increases, the aurora not only increases in brightness, but it also tends to move further towards the equator.    From Wordnik.com.  [Aurora Borealis] Reference

In its sparkling was more than a hint of the dancing corpuscles of the aurora; it was, indeed, as though woven of the auroral rays.    From Wordnik.com.  [The Metal Monster] Reference

Now that the auroral display had faded the lower part of the capsule was in total darkness, and he had no means of illuminating it.    From Wordnik.com.  [The Fountains of Paradise]

Three men worked up there making spectroscopic and interferometric studies of airglow and auroral processes in the upper atmosphere.    From Wordnik.com.  [Terra Incognita]

The stars were intensely bright, and a well-defined auroral arch, throwing off fantastic coruscations, lighted the whole northern sky.    From Wordnik.com.  [A Lady's Life in the Rocky Mountains] Reference