from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Pertaining to the dawn; dawning, eastern, like a new beginning.
- adj. Rosy in colour, blushing, roseate.
- adj. Pertaining to the aurora borealis.
from the GNU version of the Collaborative International Dictionary of English
- adj. Belonging to, or resembling, the aurora (the dawn or the northern lights); rosy.
from The Century Dictionary and Cyclopedia
- Of or pertaining to the dawn.
- Resembling the dawn in color, beauty, etc.; hence, roseate.
- Pertaining or relating to the polar aurora; resembling an aurora.
- In geology, appellative of the second of Professor H. D. Rogers's fifteen divisions of the Paleozoic strata in Pennsylvania.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. of or relating to the atmospheric phenomenon auroras
- adj. characteristic of the dawn
We perceive what are termed auroral plates of a purple or reddish-violet color, more or less extended, according as this species of veil, formed by icy particles, extends to a greater or less distance from the poles.
A powerful solar eruption on Valentine's day Feb. 14, the strongest solar flare in four or five years, led to to brilliant auroral displays and some disruptions in radio communications.
Through the north window the heavens were emblazoned with an auroral display, which flamed and flared and died down into blackness.
The Nobel Committee wanted to nominate Kristian Birkeland for the prize, in recognition of the furnace he invented rather than the auroral theory he devised.
The Zodiacal Light is more easily seen at locations near to the equator and Birkeland hoped his research in Africa might provide the proof he needed for his auroral theories.
A not-so-little forest of columbaria bobbing about in the future ice-free waters of an auroral Arctic.
I'm wondering if any of the auroral emissions are tied to "flux tubes" between Saturn and any of its moons, similar to what is seen wrt Jupiter-Io?
I seem to remember a recent study done of a transiting exoplanet in which emission was sought that may have resulted in detectable auroral-type activity using either XMM-Newton or Chanda.
The northern auroral oval is slightly smaller and more intense than the southern one, implying that Saturn's magnetic field is not equally distributed across the planet; it is slightly uneven and stronger in the north than the south.
This in turn excites observers on the ground, who may see the auroral dance take on any of several characteristic forms.