What is "auroral"

Usage examples of "auroral".

It was noted that where the radiations pass through the auroral zone, fluctuations are usually present and that they presumably must be due to the very disturbed ionospheric conditions caused by the aurora in the upper regions of the atmosphere.

The spectral rays melled to a brilliant auroral band which, as it spun faster, hazed blue.

Above them the enormous Star-diamond is growing, changing, convoluting, while all around, the auroral backlight pulses, strobes so that rational speech and thought are becoming difficult.

Back to gardens of delight, Taking flight, His auroral spirit basks in dreams divine.

In a red-green auroral glow, the Neandertals moved about, packing up their teepee and other gear, loading it all onto big sledlike vehicles, signing to each other busily.

On this last occasion some observers saw a great upright beam of light which majestically moved across the heavens, stalking like an apparition in the midst of the auroral pageant, of whose general movements it seemed to be independent, maintaining always its upright posture, and following a magnetic parallel from east to west.

Then, if not before, it was clear that the earth was a great globular magnet, having its poles of opposite magnetism, and that the auroral lights, whatever their precise cause might be, were manifestations of the magnetic activity of our planet.

Behind the veil of sunlight in the middle of the afternoon, there is good reason to believe, auroral exhibitions often take place which would eclipse in magnificence those seen at night if we could behold them.

Arrhenius himself discovered this curious relation of auroral frequency to the position of the moon north or south of the equator, and he explains it in this way.

OF YOUTH Even as a child, of sorrow that we give The dead, but little in his heart can find, Since without need of thought to his clear mind Their turn it is to die and his to live: Even so the winged New Love smiles to receive Along his eddying plumes the auroral wind, Nor, forward glorying, casts one look behind Where night-rack shrouds the Old Love fugitive.

Gabriel, the evening and morning star, burned like a lamp low in the west, its light outshone by the god standing higher in the sky, and by the auroral flicker of the starship floating on the sea beneath it.

A few lamps glowed on wagonsides, but mainly the troop saw by stars, moons, auroral flickers to northward.

If anywhere you see a rainbow flicker in the air, stand motionless until it has gone by, for it will be an auroral wolf .

You can expect more auroral activity as the sun reaches the peak of its 11-year sunspot cycle.