標(biāo)題: Titlebook: Galaxies and Cosmology; Fran?oise Combes,Patrick Boissé,Alain Blanchard Textbook 1995 Springer-Verlag Berlin Heidelberg 1995 Universe.acti [打印本頁] 作者: Helmet 時(shí)間: 2025-3-21 17:12
書目名稱Galaxies and Cosmology影響因子(影響力)
書目名稱Galaxies and Cosmology影響因子(影響力)學(xué)科排名
書目名稱Galaxies and Cosmology網(wǎng)絡(luò)公開度
書目名稱Galaxies and Cosmology網(wǎng)絡(luò)公開度學(xué)科排名
書目名稱Galaxies and Cosmology被引頻次
書目名稱Galaxies and Cosmology被引頻次學(xué)科排名
書目名稱Galaxies and Cosmology年度引用
書目名稱Galaxies and Cosmology年度引用學(xué)科排名
書目名稱Galaxies and Cosmology讀者反饋
書目名稱Galaxies and Cosmology讀者反饋學(xué)科排名
作者: 永久 時(shí)間: 2025-3-21 23:05
https://doi.org/10.1007/b115020ated definitively that certain nebulae do not form part of our Galaxy but are ‘island universes’, independent conglomerations of stars, gas, and dust. The historical confusion between the nebulae of ionized gas in the Milky Way and the external galaxies derives from the use of general catalogues, su作者: bleach 時(shí)間: 2025-3-22 03:43 作者: Override 時(shí)間: 2025-3-22 08:07
https://doi.org/10.1007/978-1-4613-2423-2scovery came about as a result of the inclination of absorption lines in the spectra of the central regions of, in particular, the galaxies M81 and M104. Up to the 1970s, rotation curves, or in other words the law describing how the rotation velocity . varies as a function of the distance to the gal作者: Project 時(shí)間: 2025-3-22 10:07 作者: septicemia 時(shí)間: 2025-3-22 16:27 作者: septicemia 時(shí)間: 2025-3-22 17:18 作者: 終點(diǎn) 時(shí)間: 2025-3-23 00:41
J. H. Marable,C. R. Weisbin,G. de Saussuredio-emission maximum in the constellation Cygnus. It was the first detection of Cygnus A, one of the brightest of all extragalactic sources (that is, located outside our Galaxy) in the radio region. These observations, made at low frequencies (160 MHz) and with the aid of small receivers, gave only 作者: Scleroderma 時(shí)間: 2025-3-23 04:11
https://doi.org/10.1007/978-1-4613-9937-7 on account of their remarkably small angular size and were therefore particularly suitable for a search for an associated optical object. For 3C 48, optical exposures of the corresponding field indicated an object with a stellar appearance; its spectrum showed very strong emission lines that at fir作者: 縮短 時(shí)間: 2025-3-23 05:46
https://doi.org/10.1007/978-1-4613-0611-5 1.955) was observed for the first time. It is remarkable that 9 clearly significant lines associated with the same redshift .. = 1.9470 could be unambiguously identified. In Figure 10.1 the spectrum of another quasar, 1209+107, obtained with a photon-counting detector, is shown: in addition to the 作者: 高原 時(shí)間: 2025-3-23 10:39 作者: Triglyceride 時(shí)間: 2025-3-23 17:04 作者: 微枝末節(jié) 時(shí)間: 2025-3-23 19:30 作者: outset 時(shí)間: 2025-3-24 00:27
The Nuclear Three-Body Problem, this deceptive simplicity and until the end of the 1970s believed that they had succeeded in giving a complete mathematical description of the structure of these galaxies. Ellipticals were then thought to be axially symmetric isothermal ensembles, increasingly flattened the more rapidly they rotate around their axis of symmetry.作者: 新陳代謝 時(shí)間: 2025-3-24 04:58
D. O. Pickman,J. H. Gittus,K. M. Rosexies in effect group themselves in clusters, small groups, or pairs: far from being isolated systems they are formed and evolve in interaction with their environment and in particular with neighbouring galaxies.作者: 消散 時(shí)間: 2025-3-24 08:00 作者: 合同 時(shí)間: 2025-3-24 13:27
Interactions between Galaxies,xies in effect group themselves in clusters, small groups, or pairs: far from being isolated systems they are formed and evolve in interaction with their environment and in particular with neighbouring galaxies.作者: Jocose 時(shí)間: 2025-3-24 15:37
https://doi.org/10.1007/b100519The majority of spiral galaxies are barred. How is the bar represented in the dynamics and evolution of these galaxies? The bar and the spiral are without doubt intimately linked, the bar possibly being the origin of the spiral wave (or vice versa). Why, then, are not all spiral galaxies barred?作者: Crohns-disease 時(shí)間: 2025-3-24 21:34 作者: 盡忠 時(shí)間: 2025-3-24 23:25
https://doi.org/10.1007/978-3-662-03190-2Universe; active galactic nuclei; astronomy; cosmology; galaxies; quasar; quasars作者: 認(rèn)為 時(shí)間: 2025-3-25 06:06 作者: 你不公正 時(shí)間: 2025-3-25 10:34 作者: 音的強(qiáng)弱 時(shí)間: 2025-3-25 12:38
The Pairing-Plus-Quadrupole Model,jority of them are stars belonging to our Galaxy, the Milky Way. Even on a very clear night, careful observation will enable only several thousand to be discerned. However, our Galaxy contains around 100 billion.作者: Cleave 時(shí)間: 2025-3-25 17:33
,Strong Interactions in Λ-Hypernuclei,se waves provide a beautiful solution to the problem in the majority of cases. Before going into the details of this theory (in Section 5.2), we must first tackle the problem of the gravitational stability of a galactic disc and define the main characteristics of the orbits of stars in a rotating disc (the theory of epicycles).作者: 極微小 時(shí)間: 2025-3-25 20:20
General Introduction,jority of them are stars belonging to our Galaxy, the Milky Way. Even on a very clear night, careful observation will enable only several thousand to be discerned. However, our Galaxy contains around 100 billion.作者: 陳列 時(shí)間: 2025-3-26 01:16 作者: medium 時(shí)間: 2025-3-26 04:59
Textbook 1995edium; galactic kinematics; elliptical, spiral, and barred spiral galaxies; the interactions between galaxies; extragalactic radio sources, quasars and their line spectra, and other active galactic nuclei; the formation of galaxies; the Universe as a whole; and cosmology.作者: 揉雜 時(shí)間: 2025-3-26 11:06 作者: 單片眼鏡 時(shí)間: 2025-3-26 15:03
The Galactic Interstellar Medium,s up to 10. K in ionized regions heated by young stars. Hydrogen forms the bulk of the interstellar gas, helium around 25%. Other elements are present in trace amounts. The interstellar gas is enriched by heavy elements ejected by stars (in supernova explosions and stellar winds).作者: 制造 時(shí)間: 2025-3-26 17:15
The Absorption-Line Systems of Quasars,biguously identified. In Figure 10.1 the spectrum of another quasar, 1209+107, obtained with a photon-counting detector, is shown: in addition to the 3 emission lines (Lyα, N Vλ1240, and Si IVλ1393), 19 absorption lines were detected.作者: 改進(jìn) 時(shí)間: 2025-3-27 00:24 作者: –吃 時(shí)間: 2025-3-27 02:05 作者: 奴才 時(shí)間: 2025-3-27 08:39
https://doi.org/10.1007/978-1-4613-0611-5biguously identified. In Figure 10.1 the spectrum of another quasar, 1209+107, obtained with a photon-counting detector, is shown: in addition to the 3 emission lines (Lyα, N Vλ1240, and Si IVλ1393), 19 absorption lines were detected.作者: 大溝 時(shí)間: 2025-3-27 12:41 作者: magnanimity 時(shí)間: 2025-3-27 16:07 作者: 類人猿 時(shí)間: 2025-3-27 21:11
Extragalactic Radio Sources,nd 1948 and simultaneously in Britain by Ryle and Smith; the resolution obtained was of the order of 10′) before the radio emission could be better localized and possibly associated with a known object.作者: 骨 時(shí)間: 2025-3-28 01:15 作者: 放肆的我 時(shí)間: 2025-3-28 05:57 作者: countenance 時(shí)間: 2025-3-28 08:11
https://doi.org/10.1007/b115020ects in total). The apparent magnitude is equal to ?2.5 log (luminosity). The eye can only perceive stars up to a magnitude . = 6. Up to an apparent magnitude . = 17.5 there are 500 000 galaxies, and up to . = 23, 10.. The first step in getting to know the galaxies better is to describe the various 作者: 礦石 時(shí)間: 2025-3-28 11:05
https://doi.org/10.1007/978-1-4613-2423-2 unequalled radial extension, the gaseous HI component generally exceeding the optical limit in the outer regions of galaxies. This confirmed in a striking way that the rotation curves remain flat at a large distance from the centre: does an enormous quantity of invisible mass then exist beyond the 作者: 金桌活畫面 時(shí)間: 2025-3-28 16:33
https://doi.org/10.1007/978-1-4613-9937-7trum also turned out to have very strong emission lines. Schmidt discovered that these were in fact hydrogen lines that have been redshifted by an amount . = Δλ/λ. = 0.158. Hence it was realized that if 3C 273 obeys the Hubble law, it is at an extremely large distance and has an enormous intrinsic l作者: Invertebrate 時(shí)間: 2025-3-28 20:58 作者: Ige326 時(shí)間: 2025-3-29 00:17
Advances in Nutritional Researchnsion (.. ∝ ..), which tends to dilute all local overdensities. The result is that the growth of fluctuations in an expanding universe is slow. For baryons this increase only begins at recombination (.. ≈ 1000) and in the linear phase the density contrast only grows by a factor (1 + ..) ≈ 10.. Now t作者: palette 時(shí)間: 2025-3-29 06:56
The Classification and Morphology of Galaxies,ects in total). The apparent magnitude is equal to ?2.5 log (luminosity). The eye can only perceive stars up to a magnitude . = 6. Up to an apparent magnitude . = 17.5 there are 500 000 galaxies, and up to . = 23, 10.. The first step in getting to know the galaxies better is to describe the various 作者: Mosaic 時(shí)間: 2025-3-29 07:46 作者: Ligneous 時(shí)間: 2025-3-29 12:24 作者: COMMA 時(shí)間: 2025-3-29 15:42 作者: Mawkish 時(shí)間: 2025-3-29 19:52 作者: 量被毀壞 時(shí)間: 2025-3-30 03:16 作者: 含糊 時(shí)間: 2025-3-30 07:17
The Classification and Morphology of Galaxies,ated definitively that certain nebulae do not form part of our Galaxy but are ‘island universes’, independent conglomerations of stars, gas, and dust. The historical confusion between the nebulae of ionized gas in the Milky Way and the external galaxies derives from the use of general catalogues, su作者: 解凍 時(shí)間: 2025-3-30 11:15
The Galactic Interstellar Medium,der of 1 particle per cm., 10 cm. in clouds of atomic hydrogen, and 1000 cm. in molecular clouds. Its temperature goes from 5 K in these latter regions up to 10. K in ionized regions heated by young stars. Hydrogen forms the bulk of the interstellar gas, helium around 25%. Other elements are present作者: 粘 時(shí)間: 2025-3-30 14:53 作者: BADGE 時(shí)間: 2025-3-30 19:06
Elliptical Galaxies, this deceptive simplicity and until the end of the 1970s believed that they had succeeded in giving a complete mathematical description of the structure of these galaxies. Ellipticals were then thought to be axially symmetric isothermal ensembles, increasingly flattened the more rapidly they rotate作者: INTER 時(shí)間: 2025-3-30 20:44 作者: Intrepid 時(shí)間: 2025-3-31 01:43
Interactions between Galaxies,xies in effect group themselves in clusters, small groups, or pairs: far from being isolated systems they are formed and evolve in interaction with their environment and in particular with neighbouring galaxies.作者: 青石板 時(shí)間: 2025-3-31 07:47
Extragalactic Radio Sources,dio-emission maximum in the constellation Cygnus. It was the first detection of Cygnus A, one of the brightest of all extragalactic sources (that is, located outside our Galaxy) in the radio region. These observations, made at low frequencies (160 MHz) and with the aid of small receivers, gave only 作者: angina-pectoris 時(shí)間: 2025-3-31 12:22
Quasars and Other Active Nuclei, on account of their remarkably small angular size and were therefore particularly suitable for a search for an associated optical object. For 3C 48, optical exposures of the corresponding field indicated an object with a stellar appearance; its spectrum showed very strong emission lines that at fir作者: Reservation 時(shí)間: 2025-3-31 17:19
