from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of or pertaining to heliography
- adj. Transmitted by heliograph
from the GNU version of the Collaborative International Dictionary of English
- adj. Of or pertaining to a description of the sun.
- adj. Of or pertaining to heliography or a heliograph; made by heliography.
from The Century Dictionary and Cyclopedia
- Of or pertaining to the heliograph.
- Of or pertaining to heliography, in any sense of that word.
Sorry, no etymologies found.
They speculate that it is the shift of heliomagnetic equator away from the heliographic equator that causes the preferential polarity.
That paper makes an argument that the vertical component of the interplanetary magnetic field Bz goes through long periods where one polarity dominates over the other and speculates that the cause may be a shifting of the heliomagnetic equator away from the heliographic equator.
One of the most telling phenomena for our purposes was the way the sunspots came up all of a sudden during the induction, completely unnaturally, in a pattern that bears no resemblance whatever to the usual ‘butterfly’ diagram, the plot of the heliographic latitude of the sunspots versus time.
But as the sun climbed there were occasional heliographic flashes from that direction; and now and then, when the wind shifted, he thought he heard distant sounds of thunder and music.
Efforts were made to establish heliographic communication between
Now that the town was in heliographic communication with Sir Redvers Buller, and military intelligence was received regarding the movements of the relieving force, there was a general sense of security among those who had been incarcerated so long.
At one place we discovered a large periscope with a heliographic attachment by which a seemingly inoffensive Belgian peasant kept in constant communication with the boche.
We had no more the inestimable advantage of heliographic instruments or telegraph wires, which were at the disposal of the British.
In one division a regular pioneer squadron has been formed for telegraphic and heliographic duty.
The enemy, emboldened by the diminished numbers of the garrison, and undervaluing what might be accomplished by a small number of good soldiers, had assembled in force, and occupied the crest of the mountain, the only place from which heliographic communication with me could be kept up.