The Observatory, 17. sējumsEditors of the Observatory, 1894 "A review of astronomy" (varies). |
Citi izdevumi - Skatīt visu
Bieži izmantoti vārdi un frāzes
A. M. W. Downing accuracy Admiralty appear April bright British Astronomical Association Capt catalogue Celestial Objects centre CHRONOGRAPHS Chronometers comet crater dark Decl deduced determined diameter disk distance double stars drawings E. W. Maunder eclipse ephemeris equation equatorial error exhibited give glass Greenwich H. H. TURNER heliometer inches instrument interest July June Jupiter Jupiter's Knobel latitude Lick Observatory light limb lines LONDON longitude lunar magnitude MARINE CHRONOMETERS Mars mean measures Meeting meridian meteorological meteors method micrometer Moon nebula night Notes object-glass observations obtained orbit paper parallax period photographs photometer planet plate position present probably Prof proper motion referred reflector refractor remarkable right ascension Roberts Royal Astronomical Society Royal Observatory satellite scale seen Sept solar spectra spectrum spot stellar sun-spots Sun's taken telescope theory tion transit Variable Stars variation visible Watches
Populāri fragmenti
389. lappuse - In presenting a clear and concise account of the present state of our knowledge Mr. Gore has made a valuable addition to the literature of the subject."— Nature.
69. lappuse - A new Analogy for determining the distances of the Planets from the Sun, and of the Satellites from their Primaries.
203. lappuse - Cap. 9, it is enacted that whenever any expression of time occurs in any Act of Parliament, Deed, or any other legal instrument, the time referred to shall, unless it is otherwise specifically stated, be held in the case of Great Britain to be Greenwich mean time, and in the case of Ireland, Dublin mean time.
202. lappuse - Dublin time, or to the mean astronomical time in each locality, and section 1 enacts that, whenever any expression of time occurs in any Act of Parliament, deed, or other legal instrument, the time referred shall, unless it is otherwise specifically stated, be held in the case of Great Britain to be Greenwich mean time, and in the case of Ireland, Dublin mean time.
329. lappuse - That these lines were not produced by the portion of the Earth's atmosphere through which the light of Mars had passed was shown by the absence of similar lines in the spectrum of the Moon, which at the time of observation had a smaller altitude than Mars.
216. lappuse - Gusts at a rate from 90 to loo miles per hour have many times been recorded, but the usual limit for gusts may be taken to equal about 80 miles per hour, which on the old scale would be equivalent to about 120 miles per hour. Gales and strong winds differ in character very much; and as the result of a prolonged study of their general features, as recorded by the bridled anemometer, the author has been able to group them into three general classes. He then described those gales which are essentially...
150. lappuse - First, by living in it on some of the great mountain chains which pierce many miles into the air in various parts of the globe ; second, by ascending into it by means of balloons ; and third, by the study of the upper currents as shown to our sight by the movements of the clouds. After describing the...
377. lappuse - But in the day which follows, of twelve or ten months, the sun has time to melt all, or nearly all, of the snow of recent formation, reducing it to such a small area that it seems to us no more than a very white point.
389. lappuse - AN ASTRONOMICAL GLOSSARY. Or, Dictionary of Terms used in Astronomy. With Tables of Data and Lists of Remarkable and Interesting Celestial Objects. By J. ELLARD GORE, FRAS, Author of " The Visible Universe,
230. lappuse - Jupiter, 126 of them will have their orbits changed into ellipses with periodic times less than one-half that of Jupiter ; 839 of them will have their orbits changed...