Two disappearances in the solar rays as the earth moved round in its orbit, and two reappearances after conjunction, were included in this unprecedentedly long period of visibility of 510 days.
February Principle of daylight spectroscopic visibility of prominences started by Huggins.
But the hypothesis is discountenanced by the Flagstaff observations, and is irreconcilable with the visibility of mountainous elevations, and permanent surface-markings.
Nor could non-visibility be explained by equality of lustre.
But such restricted observations as were available on either occasion of its visibilitygave no sign of such a rapid progress towards engulfment.
The visibility of countless stars is no argument against the invisibility of countless others.
As I said, visibility refraction doesn't work right in their case.
Visibility refraction just doesn't work right for their senses, and they can cause trouble.
Though the visibility was poor, seldom at first extending to more than three miles, and though the fighting in consequence afterward became confused, the general strategical plan soon proved itself to have been sound.
It was a perfect day for such work, for the visibility was extremely good, with a light wind of 15 knots and clouds at the high altitude of about eight or ten thousand feet.
Now, though, visibility was hampered by the residual moisture in the air, just enough to give the world a pristine sheen.
But it was not hard to follow, even in the reduced visibility of the half-dark and fog.
As Bates guided the Agusta quickly down toward the launch pad and the vehicles, visibility was no more than a quarter of a mile.
The Aegean sunset was concluding, its red clouds turned purple and darkening fast, a presage that visibility would shortly be a thing of the past.
But the particles that constitute the size, the visibility of an organic structure[162] are in perpetual flux.
Power or Principle in the Seed, which existed before a single particle of the matters that constitute the size and visibility of the crocus, had been attracted from the surrounding soil, air, and moisture.
We shall return later to the consideration of these grades of visibility which belong to the objectification of the will, to the reflection of its nature.
If the whole world as idea is only the visibilityof will, the work of art is to render this visibility more distinct.
But as the visibility of objects has its worth and meaning only in the fact that it informs us of their tangibility, so the whole worth of abstract knowledge always consists in its relation to what is perceived.
Its spectrum during the first period of its visibility had been carefully studied, so that the means existed for making a spectroscopic comparison of the phenomenon in its two phases.
There appears to be some difference among them as to visibility in such circumstances.
The variation in light," he adds, "may be caused by the visibility of a larger or smaller portion of this protuberance.
Whether it be due to atmospheric reflection alone or to the prevalence of clouds, Venus is so bright that considerable doubt exists as to the actual visibility of any permanent markings on her surface.
The opposition understood visibility of the preaching of the word and dispensation of sacraments, and held that unbelievers belonged as little to the visible as to the invisible church.
The Germans, fending us off with torpedo onslaughts, did their utmost to open out the ranges and used smoke screens to lessen what visibility the atmosphere permitted.
At dawn the visibility was even lower than during the previous evening—only three to four miles—our destroyers were out of sight and touch and did not rejoin till 9 o’clock.
The visibility was poor and mist troubled both sides.
The air was bright and clear, visibility was at its maximum, the sea was calm, and a light breeze blew gently from the north-west.
This, when the visibility is low, is about the extreme effective range for heavy guns.
Beatty lost the Queen Mary and Indefatigable in the first part of the battle when the odds were heavily against us, but Jellicoe coming up enveloped the enemy, and was only prevented by mist and low visibility from destroying him utterly.
For just when we most needed full visibility the mist came down thick, the light failed, and we were robbed of the fruits of victory when they were almost in our hands.
All of these tasks took on a special importance as the afternoon advanced, because of the decreasing visibilitydue to fog and darkness.
The visibility early on the first of June was three to four miles less than on May 31, and the torpedo-boat destroyers, being out of visual touch, did not rejoin the fleet until 9 a.
Then this very question of visibility is an endless one, wavering between form of substance and action of light.
Their visibility at short range to the numerous enemy batteries made any part in the battle by them seem suicidal.
On the 30th the whole line again made progress, against machine-gunners who had cunningly prepared paths to give them visibility for a greater distance, and to draw the attackers into the line of their fire.
With a range of visibility of fifty or sixty miles she was of far more service to the discomfited German High Seas Fleet in warning them of the position of their victors than in strafing a solitary destroyer.
Illustration: Plate #10] Another method of deciding visibilityis by proportion.
To understand effects of visibility and the selection of backgrounds.
More useful at night, because of reduced visibility of terrain between outguards.
Contours, the Vertical Interval, Use of the Slope Board, Map Distance, Visibility and Profiles.
With Ralph's visibility at zero, it might run into them and chew them to pieces.
They shot low over the coast line, but the clouds cut down their visibility and it was impossible to see more than a mile in any direction.
The currents on the north side kept the bottom stirred up and visibility was too poor for diving.
The boys had stressed that compasses were essential because low visibility in the waters off Spindrift made it very easy to lose one's sense of direction.
It was a terrible place: the rocks and creepers were so interwoven that they formed an almost impenetrable barrier; visibility was limited to a few feet.
It was certainly true that the terrain was perfect for the dug-in Japanese defenders: visibility from the slopes of Mount Tapotchau and from the ridge gave them fields of fire to rake any attack up the valley.
He ducked into the thicket, so dense that, once within it, visibility was limited to twenty feet or less and there were places where he had to crawl.
This was beech forest, with visibility of anywhere from fifty up to as much as two hundred and fifty yards.
The latter period may very reasonably be rejected, as one can perceive no reason why the intermediate returns of the star to visibility should have been overlooked, the star having appeared in a region which never sets.
