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Author: V.A. Bronshten Publisher: Springer Science & Business Media ISBN: 9400972229 Category : Science Languages : en Pages : 373
Book Description
"Meteoric phenomena" is the accepted term for the complex of physi cal phenomena that accompany the entry of meteoric bodies into the at mosphere of the earth (or of any planet). "Meteoric bodies" are usually defined as cosmic bodies observed by optical or radar techniques, when they enter the atmosphere. The limiting sensitivity of present-day radar equipment makes it possible to record meteors of up to stellar magnitude +14, while the most brilliant bolides may reach magnitude -19. On a mass 7 7 scale this corresponds approximately to a range of 10- to 10 g. How ever, met~or astronomy is also concerned with larger objects, namely crater-forming meteorites, or objects that cause large-scale destruction when they arrive through the atmosphere (an example is the Tunguska River meteorite). Consideration of the interaction of such objects with 12 the terrestrial atmosphere extends the mass range to 10 g. On the other hand, scientists studying fragmentation processes in meteoric bod 7 ies have to consider particles with masses less than 10- g, and the use of data from meteoric-particle counters on rockets and artificial satel lites, from microcraters on the lunar surface, and from noctilucent clouds 12 lowers the minimum mass to 10- g. Therefore, the mass range of meteoric bodies, or meteoroids, encompasses 24 orders of magnitude. Although recent years have witnessed considerable development in meteor research, both in the Soviet Union and elsewhere, the main mono graphs on meteor physics were published twenty or more years ago.
Author: V.A. Bronshten Publisher: Springer Science & Business Media ISBN: 9400972229 Category : Science Languages : en Pages : 373
Book Description
"Meteoric phenomena" is the accepted term for the complex of physi cal phenomena that accompany the entry of meteoric bodies into the at mosphere of the earth (or of any planet). "Meteoric bodies" are usually defined as cosmic bodies observed by optical or radar techniques, when they enter the atmosphere. The limiting sensitivity of present-day radar equipment makes it possible to record meteors of up to stellar magnitude +14, while the most brilliant bolides may reach magnitude -19. On a mass 7 7 scale this corresponds approximately to a range of 10- to 10 g. How ever, met~or astronomy is also concerned with larger objects, namely crater-forming meteorites, or objects that cause large-scale destruction when they arrive through the atmosphere (an example is the Tunguska River meteorite). Consideration of the interaction of such objects with 12 the terrestrial atmosphere extends the mass range to 10 g. On the other hand, scientists studying fragmentation processes in meteoric bod 7 ies have to consider particles with masses less than 10- g, and the use of data from meteoric-particle counters on rockets and artificial satel lites, from microcraters on the lunar surface, and from noctilucent clouds 12 lowers the minimum mass to 10- g. Therefore, the mass range of meteoric bodies, or meteoroids, encompasses 24 orders of magnitude. Although recent years have witnessed considerable development in meteor research, both in the Soviet Union and elsewhere, the main mono graphs on meteor physics were published twenty or more years ago.
Author: Ernst Julius Opik Publisher: Courier Corporation ISBN: 9780486438856 Category : Science Languages : en Pages : 192
Book Description
This volume by an astrophysics pioneer concerns the phenomena occurring during the flight of meteors through the terrestrial atmosphere. Beginning with a historical view of the study of meteor activity, the text examines atmospheric conditions and the classification and physico-chemical properties of meteors. Also includes meteoroid energy transfer, ablation, atomic collisions, and meteor radiation.
Author: Gianpiero Colonna Publisher: ISBN: 9780750316682 Category : SCIENCE Languages : en Pages : 0
Book Description
"Hypersonic Meteoroid Entry Physics gives a fascinating overview of the different aspects related to meteoroid atmospheric entry. The book covers meteoroid observations in outer space, the description of the chemical-physical phenomena during atmospheric entry, recovery of the meteor on the Earth's surface, and meteorite chemical analysis. The book, based on the lectures given during the HyMEP course held in Erice in 2017, is addressed to students and researchers with an interest in plasma chemistry, astrophysics and aerospace engineering. It gives a comprehensive overview of the present status of the investigation on meteoroid entry physics while merging the knowledge of astrophysicists and the aerospace engineering communities. Part of IOP Series in Plasma Physics." -- Prové de l'editor.
Author: Brian Cudnik Publisher: Springer Science & Business Media ISBN: 1441903240 Category : Science Languages : en Pages : 242
Book Description
The genesis of modern searches for observable meteoritic phenomena on the Moon is the paper by Lincoln La Paz in Popular Astronomy magazine in 1938. In it he argued that the absence of observed fashes of meteoritic impacts on the Moon might be interpreted to mean that these bodies are destroyed as luminous meteors in an extremely rarefed lunar atmosphere. The paper suggested the possibility of systematic searches for such possible lunar meteors. With these concepts in mind, I was surprised to note a transient moving bright speck on the Moon on July 10, 1941. It appeared to behave very much as a lunar meteor would – except that the poorly estimated duration would lead to a strongly hyperbolic heliocentric velocity. Thus, the idea of systematic searches for both p- sible lunar meteors and meteoritic impact fashes was born. It was appreciated that much time might need to be expended to achieve any positive results. Systematic searches were carried out by others and myself chiefy in the years 1945–1965 and became a regular program at the newly founded Association of Lunar and Planetary Observers, or ALPO.
Author: Robert Hawkes Publisher: Springer ISBN: 9789048107117 Category : Science Languages : en Pages : 732
Book Description
This volume contains leading edge research and authoritative reviews in meteor science. It provides a comprehensive view of meteoroid research including the dynamics, sources and distribution of these bodies. Techniques for investigation of meteor phenomena in the book include conventional and large aperture radar systems, spacecraft detection, optical systems, spectral measurements, and laboratory based interplanetary dust particle studies.
Author: V.A. Bronshten
Author: V.A. Bronshten
Author: Library of Congress. Aerospace Technology Division
Author: Ernst Julius Opik
Author: Boris Leonidovich Kashcheev
Author: Gianpiero Colonna
Author: Brian Cudnik
Author: Robert Hawkes
Author: Colin Stewart Lindsay Keay
Author: Ernst Julius Öpik
Author: Luigi Giuseppe Jacchia