Bear’s tail, it continued slowly its journey towards the W.
To the majority of the public the phenomenon had arrived at its term.
The duration of the eclipse was unusually long, namely about 5½ minutes.
It is not till far into the 6th century that we come upon a native English record of an eclipse of the Sun as having been observed in England.
It first appeared about the middle of the summer, and remained visible until nearly the end of autumn.
It is therefore necessary to look further back than 1140 to find a total solar eclipse visible in London.
About the time that Alaric, King of the Visigoths appeared before Rome, there was a gloom so great that the stars appeared in the daytime.
The central line of this eclipse traversed Scotland from Ross to Forfar and the eclipse was of course large in every part of the country.
For the Sun became of a sapphire colour; in its upper part having the likeness of a fourth part of the Moon.
After the battle of Thermopylæ the Peloponnesian Greeks commenced to fortify the isthmus of Corinth with the view of defending it with their small army against the invading host of Xerxes.
Johnson finds that at London nearly three-fourths of the Sun’s disc was covered at 7.
It may be that the English eclipse is here referred to, and a date wrong by five days assigned to it by Schnurrer.
Immersion)] Occultations of planets and stars by the Moon may also be recommended to the notice of the owners of small telescopesas events which are constantly happening and which may be readily observed.
By day the pilots with their telescopes habitually commanded this whole stretch of coast, nor could the periscope of a submarine push itself above the inshore water and not be detected.
In the spring and summer of the year 1793, Von Hahn of Remplin in Mecklenburg, using excellent telescopes made by Dollond and Herschel, saw the dark part of Venus on several occasions, and describes the light as "grey verging upon brown.
But some planetary nebulae look like small stars, and with high powers on largetelescopes would probably show a disc.
And who can say whether in this object, magnified and analysed by telescopes infinitely superior to what we now possess, there may not exist all the complexity of detail that the nubecula itself presents to our examination?
It should then--if not detected before--be discoverable with some of the large telescopes now available.
Those visible in a small telescope of 2-3/4 inches aperture have all been observed and catalogued; and even those shown on photographs taken with large telescopes can be easily counted.
Under the guise of pretending to honour them by placing their names in perpetuity upon the moon, they have used their names merely to designate the smallest objects that their telescopes were capable of showing.
The well-known companion of Sirius became invisible in alltelescopes in the year 1890, owing to its near approach to its brilliant primary.
They cannot be large bodies, as the largest telescopes have failed to resolve the nebula into stars, and photographs show no sign of resolution.
The place which telescopes and observatories have taken in astronomical history are by no means proportional to their dimensions.
Observations of the sun even with small telescopesand protected by dark glasses are very dangerous to the eyesight.
We may be content to conclude that the starry universe over which our great telescopes keep watch stretches for thousands, and probably tens of thousands, of billions of miles.
Beyond the vast sphere of comparatively empty space immediately surrounding our sun lies the stellar universe into which our greattelescopes are steadily penetrating.
Telescopes and spectroscopes were turned on it from all parts of the earth, and the spectroscope showed that masses of glowing hydrogen were rushing out from it at a rate of nearly a thousand miles a second.
Telescopes did not become of practical use, even if the principle had been known, until they were made in Holland in 1608.
It is at least certain that Columbus did not have one and probably there was none on the Mayflower, although its passengers had recently come from Holland where telescopes were invented a few years before.
The telescopes are Dolland's Achromatics, at which one would wonder, if every thing done for governments were not converted into a job.
The application of optical instruments, between a fixed station and fixed object, ought to have been made in an appropriate manner, and not influenced by the practices which prevail in regard to moveable telescopes for various objects.
Improvement is still the order of the day, and, as a result of keen competition, very excellent telescopes of small aperture can be purchased at reasonable prices.
For nearly one hundred and fifty years all refractingtelescopes labored under one serious difficulty.
They labor under the false impression that unless they have telescopes of large aperture and other costly apparatus, the pleasures attaching to practical work are denied them.
Objects once discovered, though thought to be visible in large telescopes only, may often be seen in much smaller ones.
People are naturally awaiting the latest news from the giant refracting and reflectingtelescopes of the day.
In the shops may be found many telescopes gorgeous in polished tubes and brass mountings which, for effective work, are absolutely worthless.
The great telescopes more recently made would probably show as many as forty or fifty millions.
And, in order to obtain the money required for material and workmen, they were obliged to make telescopes for sale.
Telescopes look up in the market on that morning, and bear a monstrous premium; for they cheat, probably, in those scientific worlds as well as we do.
If any distant world (which may be the case) are so far ahead of us Tellurians in optical resources as to see distinctly through their telescopes all that we do on earth, what is the grandest sight to which we ever treat them?
After it had once been seen, it was found that several of the largetelescopes of the world were able to show it.
A large modern telescope will show the moons when in front of Jupiter, but smalltelescopes will only show them when clear of the disk and shadow.
This has been the parent of most of the gigantic telescopes of the present day.
He was anxious to improve telescopes by making more perfect lenses than had ever been used before.
But this eternal making of telescopesfor other people to use or play with was a weariness to the flesh.
We brought our telescopesto bear upon these two ships, and soon had the gratification of recognising in one of them our own dear old craft, the "Juno.
Father Searle, directing the assembled telescopes for the outer coronal region, and for intra-mercurial planets, assisted by P.
His explanation of the blue color of the sky and his treatment of the resolving power of telescopes are well known.
Twelve feet away the observatory was placed, comprising the telescopes on their stands, the quadrant securely fixed on the top of a cask of wet sand firmly set in the ground, and the journeyman clock.
The telescopes used by Cook and Green were two reflecting ones made by Mr. J.
Meanwhile the production of refracting telescopes made but slow progress.
It is difficult to apprehend the tremendous strides which we have made in the production of telescopes and the consequent increase in our sweep of the heavens.
Of this he made the lens, and such was the excellence of his work that he soon became famous, to the degree that the importation of foreign telescopes virtually ceased in the United States.
Bruce's quadrant required four men, relieving each other, to carry it, and his timekeeper and telescopesemployed two more.
Microscopes and telescopes have enlarged our field of vision, and have brought the infinitely small and the infinitely distant within our range.
Reflecting telescopes show the stars in a mirror, and the observer looks down to see the heavens.
But powerful telescopes resolve them into a large number of stars, from the thirteenth to the fifteenth magnitude.
The flag of the division, a red and white burgee, floated from a staff on the left front angle of the parallelogram, and two stands were erected for telescopes in front.
A still and sluggish atmosphere, half mist, half gunpowder, hung about the town in the early morning of June the 7th, and the sun enfilading the points of view from the horizon, telescopes were put out of joint.
If there were a building on it as big as York minster, as big as the Boston Coliseum, the great telescopes like Lord Rosse's would make it out.
Everybody knows how all the arrangements of our telescopes and microscopes are anticipated in the eye, and how our best musical instruments are surpassed by the larynx.
In ordinary telescopes these satellites can be seen only under especially favorable circumstances, and are far too small to permit of any direct measurement of their size.
Higher powers can be used with large telescopes than with small ones, but it is seldom advantageous to use with any telescope an eyepiece giving a higher power than 60 diameters for each inch of diameter of the objective.
It is true that the first generation of astronomers who studied the moon with telescopes fancied that the large dark patches shown in Fig.
But for even the largest telescopes this machinery consists of the following parts, which are illustrated, with exception of the last one, in the small equatorial telescope shown in Fig.
With large telescopes as many as one thousand stars have been discerned packed within its globular outlines.
Between them there is a very faint star which larger telescopes than ours divide into two, each of magnitude eleven and a half; separated 3", p.
At the extremity of the western arm of the cross is delta, a close double, difficult for telescopes of moderate aperture on account of the difference in the magnitudes of the components.
Sigma 2215 is a very close double, requiring larger telescopes than those we are working with.
As the book was not written for those who possess the equipment of an observatory, with telescopes driven by clockwork and provided with graduated circles, right ascensions and declinations are not given.
Many stars surround it, and large telescopes show them scattered between the two main masses of the nebula.
Let us imagine ourselves the happy possessors of three properly mounted telescopes of five, four, and three inches aperture, respectively.
With very powerful telescopes this nebula has been seen ring-shaped.
Ursa Major contains several nebulæ which may be glimpsed with telescopes of moderate dimensions.
The faintest stars that the most powerful telescopes are able to show probably do not fall below the sixteenth or, at the most, the seventeenth magnitude.
The nebula is exceedingly faint, and we can be satisfied if we see it simply as a hazy spot, although with much larger telescopes it has appeared at least half a degree broad.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "telescopes" in a variety of sentences. We hope that you will now be able to make sentences using this word.
