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A. C. D. Crommelin angles appears April Area Astrographic Astronomer Royal August axis binary bright British Astronomical Association Catalogue chromosphere Crommelin d h d h d h m dark David Gill determination direction distance double stars Earth eclipse error give Greenwich Group Halley's Comet Herschel instrument interesting irregular January July June Jupiter large regular spot latitude Lick Observatory light magnitude March Maunder mean measures meteors method month Moon number of stars observations October orbit paper parallax perihelion period photographs planet plates position present President Prof proper motions reference refractor remarkable right ascension ring rotation Royal Astronomical Society Royal Observatory satellite Saturn seems seen Sept September small spots solar spectroscopic spectrum stellar stream sun-spots Sun's taken telescope temperature theory Turner variable stars velocity visible W2 Cas Y2 Scor
Seite 319 - We see it as Columbus saw America from the shores of Spain. Its movements have been felt, trembling along the far-reaching line of our analysis, with a certainty hardly inferior to that of ocular demonstration.
Seite 249 - Behind him cast; the broad circumference Hung on his shoulders like the moon, whose orb Through optic glass the Tuscan artist views, At evening, from the top of Fesole, Or in Valdarno, to descry new lands, Rivers, or mountains, in her spotty globe.
Seite 335 - If I may be permitted to do so I should like to make a statement and ask some questions to develop the necessity for these items as emergencies.
Seite 178 - Wilson's scientific work was recognized by his election as a Fellow of the Royal Society...
Seite 330 - Le plus riche de tous les savans, et probablement aussi le plus savant de tous les riches.
Seite 9 - IN the year 1908 there will be three Eclipses of the Sun and one of the Moon. I. — A Total Eclipse of the Sun, January 3.
Seite 289 - There is a great comet. I want you to assist me. Come to dine and spend the day here. If you can come soon after one o'clock we shall have time to prepare maps and telescopes. I saw its situation last night, — it has a long tail.
Seite 330 - ... remotest regions, as now a pair of boots to ride a journey. And to confer at the distance of the Indies, by sympathetic conveyances, may be as usual to future times, as to us in a literary correspondence.
Seite 87 - ... for the problem of the rivers is becoming acute. The growing populations of the great towns are tapping the upper waters and diverting the water from its natural channels, and at the same time they are polluting the lower courses with the waste of the factories and the streets. Toll is taken all along the banks of industrial streams for raising steam and carrying on the multitudinous processes of manufacture. There is sometimes anxiety as to whether the waterways can be kept sufficiently supplied...