Kosmos: Entwurf einer physischen Weltbeschreibung, Volume 3Cotta, 1850 - 645 pages |
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Common terms and phrases
Abstände Aequator Almagest Annuaire Aphel Arago Argelander Asteroiden Astr Astronomen Bahnen beobachtet Beobachtungen bestimmt Bewegung bloß bloßen Auge Capreise Centauri Cometen Decl deſſen dieſe Doppelsterne Durchmesser einander Einfluß Ekliptik Entdeckung Entfernung Erde Erscheinungen ersten étoiles Fernrohr Firsterne Flecken Fuß ganzen geogr gesehen Gestirne gewiß Größe Hauptplaneten heißt Helligkeit Himmel Hipparch Humboldt iſt Jahre Jahrhunderts jezt Jupiter Kenntniß Kepler Kleinen Planeten Körper Kosmos Bd lange leßten leuchtenden lichen Licht lumière lunette Mädler Marimum Mars Maſſe Meilen Merkur Milchstraße Mond muß Nachr nahe Nebel Nebelflecke Neptun neue Stern nördlichen Outlines Parallare Perihel Periode Philos Photosphäre planetarischen Planeten Ptolemäus rayons rothen Satelliten Saturn Schlangenträger ſehr ſein ſelbſt ſich sichtbar ſie ſind Sir John Herschel Sirius Sonne Sonnenflecken stella Sternhaufen Sternschnuppen Struve südlichen telescopischen Theil Trabanten Transact Tycho Umlaufszeit unbewaffneten Auge unserer Uranus Venus veränderlichen Sterne Veränderungen Vergl Verhältniß verschiedenen viel wahrscheinlich Weltkörper Weltraum wichtigen William Herschel Zahl zwei zwiſchen
Popular passages
Page 33 - To tell us that every species of thing is endowed with an occult specific quality by which it acts and produces manifest effects, is to tell us nothing : but to derive two or three general principles of motion from phaenomena, and afterwards to tell us how the properties and actions of all corporeal things follow from these manifest principles, would be a very great step in philosophy...
Page 33 - But to derive two or three general principles of motion from phaenomena, and afterwards to tell us how the properties and actions of all corporeal things follow from those manifest principles, would be a very great step in philosophy, though the causes of those principles were not yet discovered. And therefore I scruple not to propose the principles of motion above mentioned, they being of very general extent, and leave their causes to be found out.
Page 33 - How these attractions may be performed, I do not here consider. What I call 'attraction' may be performed by impulse, or by some other means unknown to me. I use that word here to signify only in general any force by which bodies tend toward one another, whatsoever be the cause.
Page 360 - ... we could plainly see that all about the trapezium is a mass of stars ; the rest of the nebula also abounding with stars and exhibiting the characteristics of resolvability strongly marked.
Page 359 - Of these a great number have been resolved into distinct stars, and a vast multitude more have been found to present that mottled appearance which renders it almost a matter of certainty that an increase of optical power would show them to be similarly composed. A not unnatural or unfair induction would therefore seem to be, that those which resist such resolution do so only in consequence of the smallness and closeness of the stars of which they consist ; that, in short, they are only optically...
Page 56 - By their vivifying action vegetables are enabled to draw support from inorganic matter, and become in their turn the support of animals and...
Page 119 - La lunette augmentera donc toujours l'intensité de la lumière des étoiles. Le cas le plus favorable, quant à l'effet des lunettes, est évidemment celui où l'œil reçoit la totalité du faisceau émergent , le cas où ce faisceau a moins de diamètre que la pupille. Alors toute la lumière que l'objectif embrasse concourt, par l'entremise du télescope, à la formation de l'image.
Page 548 - ... privés à la fois de la lumière du Soleil et de celle de la Lune. Pour y parvenir, il eût suffi de mettre à l'origine la Lune en opposition avec le Soleil dans le plan même de l'écliptique, à une distance...
Page 420 - ... même manière dans le polariscope des gaz enflammés. Cette expérience démontre que la lumière solaire ne sort pas d'une masse solide ou liquide incandescente. La lumière ne s'engendre pas uniquement à la surface des corps; une portion naît dans leur substance même, cette substance fût-elle du platine.
Page 556 - Verrier, and not with the intention of interfering with his just claims to the honours of the discovery ; for there is no doubt that his researches were first published to the world, and led to the actual discovery of the planet by Dr. Galle, so that the facts stated above cannot detract, in the slightest degree, from the credit due to M. Le Verrier.