Proceedings of the Royal Society of LondonTaylor & Francis, 1888 |
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3 페이지
... kind , have been long recognised as among their chief characteristics . It will at once be evident that since the luminosity of the meteorites depends upon collisions , the light from them , and from the glow of the gases produced from ...
... kind , have been long recognised as among their chief characteristics . It will at once be evident that since the luminosity of the meteorites depends upon collisions , the light from them , and from the glow of the gases produced from ...
19 페이지
... kind , and stars ( 7 ) with much more com- plex spectra of a different kind . VII . Sirius , as a type of a , is ( 1 ) the brightest ( and therefore hottest ? ) star in our northern sky ; ( 2 ) the blue end of its spectrum is open , it ...
... kind , and stars ( 7 ) with much more com- plex spectra of a different kind . VII . Sirius , as a type of a , is ( 1 ) the brightest ( and therefore hottest ? ) star in our northern sky ; ( 2 ) the blue end of its spectrum is open , it ...
29 페이지
... kind need exist in the groupings formed by stars and meteoric dust ; indeed there is much evidence to the con- trary . II . SUB - GROUP . BRIGHT - LINE STARS . It might appear at first sight that the distribution of bright- line stars ...
... kind need exist in the groupings formed by stars and meteoric dust ; indeed there is much evidence to the con- trary . II . SUB - GROUP . BRIGHT - LINE STARS . It might appear at first sight that the distribution of bright- line stars ...
30 페이지
... kind of masking effect produced in a different way , and this shows itself in connexion with sodium . It is well known that when the temperature is low , D is seen alone , and if seen in connexion with continuous spectrum the continuous ...
... kind of masking effect produced in a different way , and this shows itself in connexion with sodium . It is well known that when the temperature is low , D is seen alone , and if seen in connexion with continuous spectrum the continuous ...
33 페이지
... kind . The bright lines at 590 and 566-8 are most probably the lines of sodium , 5890-95 and 5687 ; the 580-9 line is probably the 579 strongest low - temperature line of iron ; and the 468 ( 464-6 Copeland ) is due to the carbon ...
... kind . The bright lines at 590 and 566-8 are most probably the lines of sodium , 5890-95 and 5687 ; the 580-9 line is probably the 579 strongest low - temperature line of iron ; and the 468 ( 464-6 Copeland ) is due to the carbon ...
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자주 나오는 단어 및 구문
absorption aëration plate alumina ammonia Anomodont appearance Bands visible Bands wide blue bodies bright band bright carbon bright fluting bright lines carbon band carbon flutings Cassiopeia catenary cells centre chloride classification collisions colour comets condensation continuous spectrum Cygnus dark band Dunér effect electromotive electromotive force étoiles experiments F.R.S. Received Feebly developed fibrinogen flutings flutings of carbon foil Grains gram heat hydraulic mean depth hydrogen lines increase indicated iron Konkoly light curve liquid London magnesium magnetic manganese masked maximum measured metal meteorites mirror muscle narrow nebula nerve observed obtained Orionis oxidisable paper phenomena platinum present probably produced Professor radiation recorded refrangible salt seen selenium dioxide silver Society sodium solution species spectra sponge stars strongest substance sulphuric acid swarm teeth temperature tion tooth tube vapour variability variation Vogel Volts wave-lengths wide and dark wide and pale wire
인기 인용구
453 페이지 - I soon perceived that selection was the keystone of man's success in making useful races of animals and plants. But how selection could be applied to organisms living in a state of nature remained for some time a mystery to me.
451 페이지 - It was evident that such facts as these, as well as many others, could only be explained on the supposition that species gradually become modified ; and the subject haunted me. But it was equally evident that neither the action of the surrounding conditions, nor the will of the organisms (especially in the case of plants) could account for the innumerable cases in which organisms of every kind are beautifully adapted to their habits of life — for instance, a woodpecker or a tree-frog to climb trees,...
451 페이지 - In July opened first note-book on Transmutation of Species. Had been greatly struck from about the month of previous March on character of South American fossils, and species on Galapagos Archipelago. These facts (especially latter), origin of all my views...
443 페이지 - Nothing could have been worse for the development of my mind than Dr. Butler's school, as it was strictly classical, nothing else being taught, except a little ancient geography and history. The school as a means of education to me was simply a blank.
457 페이지 - Favoured Races in the Struggle of Life." It is doubtful if any single book, except the " Principia," ever worked so great and so rapid a revolution in science, or made so deep an impression on the general mind.
442 페이지 - ... Nevertheless it is probable that the hearing rather early in life such views maintained and praised may have favoured my upholding them under a different form in my Origin of Species. At this time I admired greatly the Zoonomia; but on reading it a second time after an interval of ten or fifteen years, I was much disappointed; the proportion of speculation being so large to the facts given.
255 페이지 - The creature measures above 5J feet from the tip of the nose to the root of the tail, and so approaches in size the smallest Highland cattle.
451 페이지 - ... by the South American character of most of the productions of the Galapagos Archipelago, and more especially by the manner in which they differ slightly on each island of the group; none of the islands appearing to be very ancient in a geological sense. "It was evident that such facts as these, as well as many others, could only be explained on the supposition that species become modified; and the subject haunted me.
vii 페이지 - Virginis, Rigel, etc., are also white stars, but show no lines : perhaps they contain no mineral substance, or are incandescent without flame.
455 페이지 - How painfully (to me) true is your remark, that no one has hardly a right to examine the question of species who has not minutely described many.