標(biāo)題: Titlebook: Astrobiology; The Quest for the Co Gerda Horneck,Christa Baumstark-Khan Book 2002 Springer-Verlag Berlin Heidelberg 2002 Habitat.astrobiolo [打印本頁(yè)] 作者: 譴責(zé) 時(shí)間: 2025-3-21 19:26
書(shū)目名稱(chēng)Astrobiology影響因子(影響力)
作者: Senescent 時(shí)間: 2025-3-22 00:09 作者: 無(wú)禮回復(fù) 時(shí)間: 2025-3-22 03:34 作者: GLADE 時(shí)間: 2025-3-22 04:33
y bringing together leading specialists from different backgrounds who lecture on their fields, with close relevance to astrobiology, providing tutorial accounts that lead all the way to the forefront of research. The book will thus be useful for students, lecturers and reseachers alike.978-3-642-63957-9978-3-642-59381-9作者: ALIBI 時(shí)間: 2025-3-22 09:45
https://doi.org/10.1007/978-3-8348-9562-2 years an impressive series of new enthusiastic results in the domain were announced. New candidates are regularly pointed out by the teams of ?planet hunters? monitoring high-precision radial velocities. Also a number of various approaches to the field are explored aiming to better understand and c作者: ingenue 時(shí)間: 2025-3-22 13:14 作者: Inertia 時(shí)間: 2025-3-22 19:30
https://doi.org/10.1007/978-3-8348-9023-8ic prokaryotes on Earth can remain in viable states for long periods of time, then it is reasonable to consider, under similar extraterrestrial environments, the existence of extraterrestrial organisms. This becomes all the more plausible, considering that halite has been found in several extraterre作者: helper-T-cells 時(shí)間: 2025-3-23 00:08
https://doi.org/10.1007/978-3-8348-9562-2ar hydrogen (H.) densities from a few hundred to 10. particles cm., which make up less than 1% of the ISM’s volume. Approximately 1% of its mass is contained in microscopic (micron-sized) interstellar dust.作者: 情感脆弱 時(shí)間: 2025-3-23 01:38
https://doi.org/10.1007/978-3-8348-9023-8llite might support life. Most recently, interpretation of images and other data obtained by the Voyager and Galileo spacecraft has indicated that indeed there is an ocean underlying the crust of ice at the surface, and has suggested that the ocean is linked to the surface through a variety of processes that may provide habitable niches.作者: Multiple 時(shí)間: 2025-3-23 07:07
https://doi.org/10.1007/978-3-8348-9023-8s on extinct space cryogenic bodies. Thus, in contrast to other disciplines, microbiology is looking not only for traces of extinct life on other planets, but, most intriguing for signs of existing life at the cellular level, especially within frozen materials.作者: 史前 時(shí)間: 2025-3-23 10:14 作者: Misnomer 時(shí)間: 2025-3-23 16:31
Book 2002inging together leading specialists from different backgrounds who lecture on their fields, with close relevance to astrobiology, providing tutorial accounts that lead all the way to the forefront of research. The book will thus be useful for students, lecturers and reseachers alike.作者: 烤架 時(shí)間: 2025-3-23 21:16
https://doi.org/10.1007/978-3-8348-9023-8life on Earth, to hypotheses how evolution of (terrestrial-type)life may have been changed under the specific planetarian conditions, to the technologically demanding efforts to monitor and identify the degradation products of previously existing life, even under conditions that may not have been simulated on our planet.作者: tenuous 時(shí)間: 2025-3-23 22:26 作者: 心胸狹窄 時(shí)間: 2025-3-24 05:51
https://doi.org/10.1007/978-3-8348-9023-8early Earth, the lack of an ozone column probably resulted in higher biologically weighted irradiance than the surface of present-day Earth as there were no other UV absorbers in the atmosphere. This is also the case for present-day Mars and probably was for Mars in its early history.作者: 多嘴 時(shí)間: 2025-3-24 07:50
The Ultraviolet Radiation Environment of Earth and Mars: Past and Presentearly Earth, the lack of an ozone column probably resulted in higher biologically weighted irradiance than the surface of present-day Earth as there were no other UV absorbers in the atmosphere. This is also the case for present-day Mars and probably was for Mars in its early history.作者: 最初 時(shí)間: 2025-3-24 11:29 作者: 濕潤(rùn) 時(shí)間: 2025-3-24 18:07
Europa’s Crust and Ocean: How Tides Create a Potentially Habitable Physical Settingllite might support life. Most recently, interpretation of images and other data obtained by the Voyager and Galileo spacecraft has indicated that indeed there is an ocean underlying the crust of ice at the surface, and has suggested that the ocean is linked to the surface through a variety of processes that may provide habitable niches.作者: coagulation 時(shí)間: 2025-3-24 21:29 作者: shrill 時(shí)間: 2025-3-25 03:05
Microbial Life in Terrestrial Permafrost: Methanogenesis and Nitrification in Gelisols as Potentialschemical and physical analyses give insights into early stages of life on Earth. The extreme conditions in terrestrial permafrost soils can help to understand the evolution of life on early Mars and help searching for possible niches of life on present Mars or in other extraterrestrial permafrost habitats [1, 2].作者: 投票 時(shí)間: 2025-3-25 06:49 作者: 收養(yǎng) 時(shí)間: 2025-3-25 10:03 作者: 動(dòng)機(jī) 時(shí)間: 2025-3-25 14:49
https://doi.org/10.1007/978-3-658-13817-2ion years (Ga) ago. These impactors would on the one hand have been delivering the volatiles as precursors of life, on the other hand, if sufficiently large and fast, would have eroded the atmosphere and perhaps sterilized the Earth and/or Mars, if life existed there [4, 5].作者: Confidential 時(shí)間: 2025-3-25 18:27 作者: 相同 時(shí)間: 2025-3-25 23:28
Habitable Zones in Extrasolar Planetary Systemsrate planetary surface temperatures suitable for the development and subsistence of carbon-based life. The latter precondition is usually taken as the requirement that liquid water is permanently available at the planet’s surface. The HZ concept was introduced by Huang [1, 2] and extended by Dole [3] and Shklovskii and Sagan [4].作者: Bravura 時(shí)間: 2025-3-26 02:44
Viable Transfer of Microorganisms in the Solar System and Beyondion years (Ga) ago. These impactors would on the one hand have been delivering the volatiles as precursors of life, on the other hand, if sufficiently large and fast, would have eroded the atmosphere and perhaps sterilized the Earth and/or Mars, if life existed there [4, 5].作者: languid 時(shí)間: 2025-3-26 05:41
Hyperthermophilic Microorganismssumed to having been much hotter at that time than today [3]. Recently, fossil-remains of thread-like microorganisms have been discovered in a 3.2 billion year old deep sea volcanogenic hydrothermal deposit, indicating the existence ofhyperthermophiles already at Early Archaean times [4].作者: 精確 時(shí)間: 2025-3-26 10:30 作者: 增減字母法 時(shí)間: 2025-3-26 15:39 作者: 羊齒 時(shí)間: 2025-3-26 20:10 作者: grounded 時(shí)間: 2025-3-26 23:47 作者: BOGUS 時(shí)間: 2025-3-27 03:38
Martian Atmospheric Evolution: Implications of an Ancient Intrinsic Magnetic Field00 nT during its low aerobreaking passes, resulting from remnant crustal magnetism. These magnetic anomalies strongly indicate the existence of a strong ancient intrinsic Martian magnetic moment, which corresponded to a magnetic field strength of 10% - 100% of present Earth’s.作者: 小隔間 時(shí)間: 2025-3-27 05:36
https://doi.org/10.1007/978-3-642-59381-9Habitat; astrobiology; bioastronomy; biology; complexity; environment; evolution; exobiology; extraterrestri作者: 改變立場(chǎng) 時(shí)間: 2025-3-27 11:05
978-3-642-63957-9Springer-Verlag Berlin Heidelberg 2002作者: 旋轉(zhuǎn)一周 時(shí)間: 2025-3-27 14:51 作者: constitute 時(shí)間: 2025-3-27 20:26
http://image.papertrans.cn/b/image/163557.jpg作者: 幻想 時(shí)間: 2025-3-28 00:13
https://doi.org/10.1007/978-3-8348-9562-2e profound questions “How did life originate?”, “Are we alone in the Universe?”, and “What is the future of life on Earth and in the Universe?” The wide range in the contents of this volume indicates the rich and exciting subject matter of this field. Much of this content can be grouped into three m作者: fidelity 時(shí)間: 2025-3-28 02:11
https://doi.org/10.1007/978-3-8348-9562-2 can be divided in various different components with very different physical parameters, ranging from a very hot (10. K), dilute (<10. particles cm.) component heated by supernova explosions, which fills more than half of its volume, to molecular clouds with temperatures from 10 to 100 K and molecul作者: arbiter 時(shí)間: 2025-3-28 08:22 作者: 男生如果明白 時(shí)間: 2025-3-28 11:23
https://doi.org/10.1007/978-3-8348-9562-2stem. The HZ of distances between a main sequence star and an Earth-like planet is roughly defined as the range of mean orbital radii which imply moderate planetary surface temperatures suitable for the development and subsistence of carbon-based life. The latter precondition is usually taken as the作者: 沉著 時(shí)間: 2025-3-28 18:00
https://doi.org/10.1007/978-3-658-13817-2 Earth as well as to the other terrestrial planets via asteroids and comets [1-3]. The period of heavy bombardment lasted until approximately 3.8 billion years (Ga) ago. These impactors would on the one hand have been delivering the volatiles as precursors of life, on the other hand, if sufficiently作者: 不出名 時(shí)間: 2025-3-28 22:18
https://doi.org/10.1007/978-3-658-25807-8. By analogy with contemporary life, it is generally believed that life on Earth emerged in liquid water from the processing of organic molecules. Schematically, the premises of primitive life can be compared to parts of “chemical robots”. By chance, some parts self-assembled to generate robots capa作者: 救護(hù)車(chē) 時(shí)間: 2025-3-29 01:10
https://doi.org/10.1007/978-3-8348-9023-8 for native or imported organisms has increased. The surface was discovered to be water ice in 1972 [1]. That tidal heating might maintain a sub-surface layer of water in the liquid state was recognized in 1979 [2], stimulating both popular and scientific speculation of the possibility that the sate作者: ZEST 時(shí)間: 2025-3-29 05:32
https://doi.org/10.1007/978-3-8348-9023-8t is a common phenomenon in the cosmos. From an astrobiological point of view, the terrestrial permafrost, inhabited by viable cold adapted microorganisms may be considered as a model of extraterrestrial life. The microorganisms found in the Earth’s permafrost provide a range of potential inhabitant作者: Jejune 時(shí)間: 2025-3-29 10:29
Alfred B?ge,Walter Schlemmer,Wolfgang B?ge Martian surface and terrestrial permafrost areas show similar morphological structures, which suggests that their development is based on comparable processes. Soil microbial investigations of adaptation strategies of microorganisms from terrestrial permafrost in combination with environmental, geo作者: 不感興趣 時(shí)間: 2025-3-29 13:26
https://doi.org/10.1007/978-3-8348-9023-8red to differ most significantly from those permitting life on the planet Earth. Questions about whether or not extra-terrestrial life forms may indeed have been generated during the past 4 billion year old evolution of the solar system, and, if answered positively, whether these forms still exist o作者: 裂縫 時(shí)間: 2025-3-29 17:05 作者: 使入迷 時(shí)間: 2025-3-29 21:01
https://doi.org/10.1007/978-3-8348-9023-8 by prokaryotic microorganisms. Global salt deposits show that evaporation of marine salt water and the development of hypersaline habitats is an ongoing process for millions of years and providing ample time for the evolution of specialized halophilic Bacteria and Archaea. Halophiles, which require作者: enterprise 時(shí)間: 2025-3-30 03:10 作者: Gerontology 時(shí)間: 2025-3-30 05:13
https://doi.org/10.1007/978-3-8348-9023-8by Johann Wilhelm Ritter, a German electro chemist, in l80l. We now understand that ultraviolet radiation, although representing <2% of the total number of photons that reach the surface of present-day Earth, has had an important role in the evolution of life on Earth. This is because it has a high 作者: GIST 時(shí)間: 2025-3-30 08:38 作者: explicit 時(shí)間: 2025-3-30 13:26
https://doi.org/10.1007/978-3-658-34152-7The extraterrestrial solar spectrum extends far into short wavelengths of UV-C (190–280 nm) and vacuum UV (<190 nm), wavelengths that no longer reach the surface of the Earth.The intensity of solar radiation reaching the Earth’s atmosphere would probably be lethal to most living organisms without the shielding afforded by the atmosphere.作者: Nmda-Receptor 時(shí)間: 2025-3-30 18:44 作者: 多骨 時(shí)間: 2025-3-30 22:48
Ultraviolet Radiation in Planetary Atmospheres and Biological ImplicationsThe extraterrestrial solar spectrum extends far into short wavelengths of UV-C (190–280 nm) and vacuum UV (<190 nm), wavelengths that no longer reach the surface of the Earth.The intensity of solar radiation reaching the Earth’s atmosphere would probably be lethal to most living organisms without the shielding afforded by the atmosphere.作者: harbinger 時(shí)間: 2025-3-31 03:58
Introductione profound questions “How did life originate?”, “Are we alone in the Universe?”, and “What is the future of life on Earth and in the Universe?” The wide range in the contents of this volume indicates the rich and exciting subject matter of this field. Much of this content can be grouped into three m作者: dendrites 時(shí)間: 2025-3-31 08:50 作者: Ringworm 時(shí)間: 2025-3-31 11:26 作者: Munificent 時(shí)間: 2025-3-31 16:12 作者: 健談 時(shí)間: 2025-3-31 18:10
