標(biāo)題: Titlebook: Classifying the Cosmos; How We Can Make Sens Steven J. Dick Book 2019 Springer Nature Switzerland AG 2019 classification in astronomy.astro [打印本頁] 作者: 高出來的名詞 時(shí)間: 2025-3-21 18:55
書目名稱Classifying the Cosmos影響因子(影響力)
書目名稱Classifying the Cosmos影響因子(影響力)學(xué)科排名
書目名稱Classifying the Cosmos網(wǎng)絡(luò)公開度
書目名稱Classifying the Cosmos網(wǎng)絡(luò)公開度學(xué)科排名
書目名稱Classifying the Cosmos被引頻次
書目名稱Classifying the Cosmos被引頻次學(xué)科排名
書目名稱Classifying the Cosmos年度引用
書目名稱Classifying the Cosmos年度引用學(xué)科排名
書目名稱Classifying the Cosmos讀者反饋
書目名稱Classifying the Cosmos讀者反饋學(xué)科排名
作者: essential-fats 時(shí)間: 2025-3-21 21:49
978-3-030-10379-8Springer Nature Switzerland AG 2019作者: Institution 時(shí)間: 2025-3-22 00:28 作者: aplomb 時(shí)間: 2025-3-22 08:15
Linda Corrin,Sue Bennett,Lori Lockyer component consists of three main classes of objects: cool atomic clouds composed mainly of neutral hydrogen (H I); hot ionized clouds also composed mainly of hydrogen, known as H II regions (S 24) and observed as emission nebulae; and cold molecular clouds (S 25) composed largely of hydrogen (H.) with a sprinkling of other molecules.作者: Mhc-Molecule 時(shí)間: 2025-3-22 11:00
New Competencies for Systems Thinkingmation, when a protostar (S 1) condenses out of a molecular cloud (S 25). The central star is believed to be a T Tauri or higher mass object known as a Herbig Ae/Be star (S 2 and S 3) where planets have not yet had time to accrete. Recent research indicates that in massive starburst clusters such as作者: 名次后綴 時(shí)間: 2025-3-22 13:00
Reshaping Engineering Educationof terrestrial planets because one of them is our home. In general, a terrestrial planet is one whose constituents are rocky and therefore similar to the Earth in composition, by comparison with the gas giant or ice giant planets (P 3 and P 4). By anyone’s definition, Mercury, Venus, Earth, and Mars作者: 名次后綴 時(shí)間: 2025-3-22 19:25
https://doi.org/10.1007/978-981-99-5873-3P 11), dwarf planets (P 9), and Kuiper belt objects (P 21). As of 2018, 187 satellites are known to orbit the planets of our Solar System, as well as over 300 that orbit minor planets and four that orbit dwarf planets. 12 new satellites of Jupiter were announced in 2018 alone, giving it a grand tota作者: Aerate 時(shí)間: 2025-3-23 00:16
Reshaping Engineering Educationational Astronomical Union (IAU) to “demote” Pluto and create this new class of objects. It was one of the most notorious decisions in the history of the IAU and in astronomical classification. The decision might not have been so controversial if a dwarf planet were ruled to be a type of planet; how作者: 評(píng)論者 時(shí)間: 2025-3-23 01:21 作者: DAMP 時(shí)間: 2025-3-23 07:26
Federalism with a Bureaucratic Faceinterstellar space, in general planets as we know them live a social rather than a solitary life, mutually interacting not only gravitationally but also when material is exchanged between them, as in the case of the famous Mars rock ALH84001. In common usage, a planetary system consists not only of 作者: 用樹皮 時(shí)間: 2025-3-23 11:37
https://doi.org/10.1007/978-1-349-21847-9 sometimes called an embryonic star, is a molecular cloud (S 25) undergoing gravitational contraction and accretion of gas and dust prior to initiating fusion reactions. The end of accretion and the onset of a stellar wind (S 29) is often considered the dividing line between a collapsing protostar a作者: 兇猛 時(shí)間: 2025-3-23 14:29 作者: 隱士 時(shí)間: 2025-3-23 21:18
Federalism with a Bureaucratic Facethough they have been called “a poor excuse for a star,” they are embraced by stellar astronomers and have even found a place in the standard stellar classification system. They range in mass from 13 to 80 times the mass of Jupiter, about 8% of a solar mass, but most are about the size of Jupiter. T作者: 陪審團(tuán)每個(gè)人 時(shí)間: 2025-3-23 23:17 作者: 助記 時(shí)間: 2025-3-24 03:43 作者: Digest 時(shí)間: 2025-3-24 10:25
Emerging Dimensions of Learning more than in astronomy’s other two Kingdoms, hampered by extreme distance. The details of galaxy formation remain one of the great unsolved problems of astrophysics, and therefore a dynamic field of study exists, informed by observation, theory, and simulations. The observations, both ground- and s作者: accessory 時(shí)間: 2025-3-24 11:28 作者: ventilate 時(shí)間: 2025-3-24 17:24
Yanyan Li,Yue Zhou,Lanfang Zengin the form of smaller galaxies or their shredded debris known as rings or stellar streams. At least 59 of these galaxies orbit our Milky Way Galaxy out to about 1.5 million light years, believed to be the edge of the dark matter halo (G 12). These are dominated by irregular, elliptical, and spheroi作者: 實(shí)施生效 時(shí)間: 2025-3-24 20:57 作者: Congeal 時(shí)間: 2025-3-25 01:57 作者: paleolithic 時(shí)間: 2025-3-25 03:49 作者: 寒冷 時(shí)間: 2025-3-25 11:20 作者: 受辱 時(shí)間: 2025-3-25 14:17
Astronomers‘ Universehttp://image.papertrans.cn/c/image/227236.jpg作者: 疼死我了 時(shí)間: 2025-3-25 18:39 作者: Grievance 時(shí)間: 2025-3-25 21:32 作者: Emmenagogue 時(shí)間: 2025-3-26 03:50
Federalism with a Bureaucratic Faceelescope did report one such binary planet with no star. For most of our history, our Solar System was the only planetary system known. Only in the last quarter-century have thousands of exoplanets been discovered around other stars, hundreds of them known to exist in multiple planet systems.作者: Accrue 時(shí)間: 2025-3-26 05:46
Emerging Dimensions of Learninglaxies may have been formed at different times. For example, bulges of spiral galaxies likely formed first, followed by disks gradually assembling around them. And different classes of galaxies likely did not form the same way as spirals. In a dynamic interplay, observers and modelers now feed on ea作者: enchant 時(shí)間: 2025-3-26 11:38 作者: GRATE 時(shí)間: 2025-3-26 13:13 作者: Boycott 時(shí)間: 2025-3-26 17:47
The Protoplanetary Family. Proplyds represent what our Solar System must have looked like at an age of about one million years. The lifetime of protoplanetary disks is not expected to exceed several tens of millions of years before the formation of kilometer-sized planetesimals and then planets. Not all disks will result in作者: Culpable 時(shí)間: 2025-3-26 21:23
The Planetary Systems Familyelescope did report one such binary planet with no star. For most of our history, our Solar System was the only planetary system known. Only in the last quarter-century have thousands of exoplanets been discovered around other stars, hundreds of them known to exist in multiple planet systems.作者: 膠狀 時(shí)間: 2025-3-27 02:40 作者: STYX 時(shí)間: 2025-3-27 05:52 作者: 持久 時(shí)間: 2025-3-27 09:57 作者: 記成螞蟻 時(shí)間: 2025-3-27 15:36
1614-659X by making sense of the menagerie of astronomical objects th.Since the invention of the telescope 400 years ago, astronomers have rapidly discovered countless celestial objects. But how does one make sense of it all?.Astronomer and former NASA Chief Historian Steven J. Dick brings order to this mena作者: Habituate 時(shí)間: 2025-3-27 21:47 作者: aviator 時(shí)間: 2025-3-27 23:31
Reshaping Engineering Educationthe IAU and in astronomical classification. The decision might not have been so controversial if a dwarf planet were ruled to be a type of planet; however, it was ruled instead to be a subplanetary object. We classify it here following those decisions.作者: 紀(jì)念 時(shí)間: 2025-3-28 02:11
New Frontiers of Educational Research the sky. It is estimated that at least 80% of all stars are members of binary or multiple star systems. Strictly speaking, binaries are multiple stars (S 32), but in common astronomical usage multiple stars are systems with three or more stars.作者: GREEN 時(shí)間: 2025-3-28 07:38 作者: DUCE 時(shí)間: 2025-3-28 14:14 作者: 憤怒歷史 時(shí)間: 2025-3-28 14:53
The Stellar Systems Family the sky. It is estimated that at least 80% of all stars are members of binary or multiple star systems. Strictly speaking, binaries are multiple stars (S 32), but in common astronomical usage multiple stars are systems with three or more stars.作者: 細(xì)胞 時(shí)間: 2025-3-28 21:34 作者: artifice 時(shí)間: 2025-3-29 01:53
Agenda to Reshape Metropolitan America,hapter 4). Because little evidence exists as yet for either failed galaxies or remnants of galaxy formation that are not incorporated into another galaxy as galactic rings (G 10), we define the class of subgalactic clumps to be the building blocks of galaxies that are not yet part of a protogalaxy in formation.作者: Obligatory 時(shí)間: 2025-3-29 06:20
The Circumplanetary Familynetary satellites in our Solar System range in size from several thousand miles in diameter (including our Moon, the four Galilean moons of Jupiter, Saturn’s Titan, and Neptune’s Triton) to 10 miles for the two moons of Mars, and even smaller for some satellites embedded in planetary rings (P 7).作者: SMART 時(shí)間: 2025-3-29 08:23
The Subgalactic Familyhapter 4). Because little evidence exists as yet for either failed galaxies or remnants of galaxy formation that are not incorporated into another galaxy as galactic rings (G 10), we define the class of subgalactic clumps to be the building blocks of galaxies that are not yet part of a protogalaxy in formation.作者: 任意 時(shí)間: 2025-3-29 11:42
Book 2019t all?.Astronomer and former NASA Chief Historian Steven J. Dick brings order to this menagerie by defining 82 classes of astronomical objects, which he places in a beginner-friendly system known as "Astronomy’s Three Kingdoms.” Rather than concentrating on technicalities, this system focuses on the作者: HAUNT 時(shí)間: 2025-3-29 18:27 作者: 車床 時(shí)間: 2025-3-29 19:50
Reshaping Engineering Educationalled the “l(fā)ocal interstellar cloud” at that speed, so space scientists measure the wind as would a motorcyclist speeding down the highway. The particles become charged as they approach the Sun, and eventually may become Anomalous Cosmic Rays (P 17).作者: Tinea-Capitis 時(shí)間: 2025-3-30 03:47 作者: DOSE 時(shí)間: 2025-3-30 04:27
Federalism with a Bureaucratic Facethey radiate primarily in the infrared region of the spectrum and are especially amenable to detection by infrared telescopes. Brown dwarfs can undergo deuterium and lithium fusion during their first ten million years.作者: shrill 時(shí)間: 2025-3-30 10:53 作者: sleep-spindles 時(shí)間: 2025-3-30 16:26 作者: 凹室 時(shí)間: 2025-3-30 18:26 作者: VEN 時(shí)間: 2025-3-30 21:50 作者: 逗它小傻瓜 時(shí)間: 2025-3-31 01:25 作者: 使人入神 時(shí)間: 2025-3-31 06:14 作者: 散開 時(shí)間: 2025-3-31 10:36
The Protoplanetary Familymation, when a protostar (S 1) condenses out of a molecular cloud (S 25). The central star is believed to be a T Tauri or higher mass object known as a Herbig Ae/Be star (S 2 and S 3) where planets have not yet had time to accrete. Recent research indicates that in massive starburst clusters such as