The Observatory, Volumen38Editors of the Observatory, 1915 Some vols. for 1886- include a special issue: Annual companion to the Observatory. |
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A. S. EDDINGTON appear Astrographic Catalogue Astronomer Royal bright British Catalogue centre Chronometers cluster comet Crommelin Cygni density determined discussion distance double stars E. W. Maunder Earth eclipse equator faint Father Cortie geoid give Greenwich heliometer images instrument interesting investigation isostasy July June Jupiter latitude Leonids Lick Observatory lines longitude luminosity magnitude Marine Chronometers mass mean measures Meeting Melotte meridian meteors method miles monthly Moon motion nebula observations obtained orbit Oxford paper parallax period Perseids photographs planets plates position possible present President probable error Prof proper-motions radial velocities radiant rotation Royal Astronomical Society Royal Meteorological Society Royal Observatory satellites Saturn Sept Sir F. W. Dyson solar spectra spectrum stellar sun-spot Sun's surface telescope theory Turner variable stars W. F. DENNING Wolf-Rayet stars XXXVIII zone
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Página 415 - We have great lakes both salt and fresh, whereof we have use for the fish and fowl. We use them also for burials of some natural bodies : for we find a difference in things buried in earth, or in air below the earth ; and things buried in water. We have also pools, of which some do strain...
Página 415 - Save base authority from others' books. These earthly godfathers of heaven's lights, That give a name to every fixed star, Have no more profit of their shining nights, Than those that walk, and wot not what they are.
Página 263 - Of Europe, keep our noble England whole, And save the one true seed of freedom sown Betwixt a people and their ancient throne, That sober freedom out of which there springs Our loyal passion for our temperate kings ; For, saving that, ye help to save mankind...
Página 364 - T-CV(, of that of Saturn. On the ground of this great difference between the relative magnitudes of all other satellites and of the moon, it is not unreasonable to suppose that the mode of separation of the moon from the earth may also have been widely different. The theory of which I shall have next to speak claims to trace the gradual departure of the moon from an original position not far removed from the present surface of the earth. If this view is correct, we may suppose that the detachment...
Página 414 - We have high, towers, the highest about half a mile in height, and some of them likewise set upon high mountains, so that the vantage of the hill with the tower is, in the highest of them, three miles at least. And these places we call the upper region; accounting the air between the high places and the low as a middle region.
Página 290 - The history of annual parallax appears to me to be this : in proportion as instruments have been imperfect in their construction, they have misled observers into the belief of the existence of sensible parallax. This has happened in Italy to astronomers of the very first reputation. The Dublin instrument is superior to any of a similar construction on the Continent ; and, accordingly, it shows a much less parallax than the Italian astronomers imagined they had detected. Conceiving that I have established,...
Página 226 - It is an invariable law when a ball strikes a cushion that the angle of reflexion is always equal to the angle of incidence ; but at the same time you must remember that the angle is altered by any side or screw put on the ball, and that cushions vary somewhat in elasticity.
Página 464 - SATWDER. read the Minutes of the last Annual General Meeting, which were confirmed. Mr.
Página 251 - For I perceived that, if light was propagated in time, the apparent place of a fixed object would not be the same when the eye is at rest, as when it is moving in any other direction than that of the line passing through the eye and object; and that when the eye is moving in different directions, the apparent place of the object would be different.
Página 270 - An Enquiry into the Origin of the Constellations that compose the Zodiac, and the Uses they were intended to promote...