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Updated: June 15, 2025
The remainder or at least most of them are extremely delicate objects, which vary in visibility in a way that is clearly independent of libration or solar altitude; and, what is also very suggestive, they are always found closely associated with the light markings, standing either upon the surface of these features or close to their edges.
“For example: the return of the comet predicted by Professor Encke, a great many times in succession, and the general good agreement of its calculated with its observed place during any one of its periods of visibility, would lead us to say that its gravitation towards the sun and planets is the sole and sufficient cause of all the phenomena of its orbitual motion: but when the effect of this cause is strictly calculated and subducted from the observed motion, there is found to remain behind a residual phenomenon, which would never have been otherwise ascertained to exist, which is a small anticipation of the time of its reappearance, or a diminution of its periodic time, which cannot be accounted for by gravity, and whose cause is therefore to be inquired into.
When it is considered that this remote object shines by reflecting sunlight reduced by distance to 1/900th of the intensity with which it illuminates our moon, the fact of its visibility, even in the most perfect telescopes, is a somewhat surprising one. It can only, indeed, be accounted for by attributing to it dimensions very considerable for a body of the secondary order.
Moreover, in the vicinity of the Sandwich Islands, the summit of Mowna-Roa, at a season when it was without snows, has been seen on the skirt of the horizon, at the distance of 53 leagues. This is the most striking example we have hitherto known of the visibility of a mountain; and it is the more remarkable, that an object seen negatively furnishes this example.
Just beyond the N. glacis is a large irregular dusky enclosure with a central mound, and another smaller low ring adjoining it on the S.E. The visibility of these objects is very ephemeral, as they disappear soon after sunrise. Aristillus is also the centre of a bright ray system. THEAETETUS. A conspicuous ring-plain, about 16 miles in diameter, in the Palus Nebularum, N.W. of Aristillus.
"But what did you mean when you said it would be the most powerful portable light ever made." "Just what I said. I've got to carry this searchlight on an airship with me, and, in consequence, it can't be very heavy. Of course there are stationary searchlights, such lights as are in lighthouses, that could beat mine all to pieces for candle power, and for long distance visibility.
The young man, hearing him by this time, and with Baptiste sent to rest, was already at the door; so that Strether had before him in full visibility the cause in which he was labouring and even, with the troisieme fairly gained, panting a little.
MDCXLVII." An English translation of the "Prelections on the Nature and Obligation of Promissory Oaths and of Conscience," was published in 3 vols. 8vo. London, 1722. London, 1673." IX. "DISCOURSE CONCERNING the CHURCH, in THESE PARTICULARS: First, concerning the Visibility of the true Church: Secondly, concerning the Church of Rome. London, 1688."
After a time, the chaplain decided not to allow any more such mollycoddling of the soul of his son. Kuno would have to live in the dark. Gone was the tiny bit of visibility. The innumerable incomprehensible events of chaos rolled about the little boy. More of the world pressed into the small bedroom of the humpback than the entire day had contained.
The units of the two armies might have been wired to a single switchboard with heartbeats under blue and khaki jackets timed together in the final expression of entente cordiale become entente furieuse. The sunlight had the golden kindness of September and good Brother High Visibility seemed to make it a personal matter to-day against the Kaiser.
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