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    Tytuł:
    Spadki meteorytów w 2017 roku. Okoliczności i obserwacje
    Meteorite falls in 2017. Circumstances and observations
    Autorzy:
    Żmija, Mateusz
    Powiązania:
    https://bibliotekanauki.pl/articles/1033123.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Meteorytowe
    Tematy:
    bolide
    chondrite
    eucrite
    fireball
    meteor
    meteorite
    meteorite fall
    summary
    Opis:
    This scientific paper is a summary of the meteorite falls in 2017: Broek in Waterland (Holland), Tres Irmaos (Brazil), Serra Pelada (Brazil) and Kheneg Ljouâd (Morocco). The study also includes a section about unconfirmed falls, such as Puya Medio (Colombia), Mukundpura (India), Crawford Bay (Canada) and Sadiya (India). The vast majority of these specimens is ordinary chondrites of the L and LL groups. Only Serra Pelada meteorite turned out to be eucrite and Mukundpura is suspected to be carbonaceous chondrite. The author collects and organizes basic information about these findings and compares the latest data with statistics from previous years. The description of the circumstances of finding meteorites are brief and maintained in the popular-scientific tone. The text also includes a set of fireballs and bolides that could end with a meteorite fall. Among them is also a bolide that was visible from Poland. The thesis resembles the criteria for dividing meteors and notes the differences in their naming. It is extended by analogies and comparisons that make possible to look at the issues from different perspectives: from the statistical, through the media, to the historical one.
    Źródło:
    Acta Societatis Metheoriticae Polonorum; 2018, 9; 187-205
    2080-5497
    Pojawia się w:
    Acta Societatis Metheoriticae Polonorum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Spadki meteorytów w 2018 roku. Okoliczności i obserwacje
    Meteorite falls in 2018. Circumstances and observations
    Autorzy:
    Żmija, Mateusz
    Powiązania:
    https://bibliotekanauki.pl/articles/1033142.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Meteorytowe
    Tematy:
    achondrite
    bolide
    chondrite
    fireball
    meteorite
    meteorite fall
    summary
    superbolide
    Opis:
    This scientific paper aims to systematize knowledge about the circumstances of meteorite falls in 2018. Eight of them were officially confirmed by The Meteoritical Society: Hamburg (USA), Ablaketka (Kazakhstan), Aba Pan (Nigeria), Mangui (China), Ozerki (Russia), Renchen (Germany), Gueltat Zemmour (Morocco), Komaki (Japan). Seven more have not yet been classified: Central Kalahari (Botswana), Glendale (USA), Benenitra (Madagascar), Bhakkar (Pakistan), Ghadamis (Libya), Elkouran (Morocco) and meteorite fall from the Sahara Desert. It turns out that the most numerous group of meteorite falls in 2018 were L6 chondrites. There were no iron or stony-iron falls. The author collected information from many different sources. He analyzed entries in the MetBull catalog, publications in social media and press reports in order to compare them with official data from previous years. In this way, he tries to prove that although the circumstances of each meteorite fall are different, coherent conclusions can be drawn from them, and these can help meteorite researchers, for example, in verifying eyewitness accounts.
    Źródło:
    Acta Societatis Metheoriticae Polonorum; 2019, 10; 199-221
    2080-5497
    Pojawia się w:
    Acta Societatis Metheoriticae Polonorum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Spadki meteorytów w 2019 roku. Okoliczności i obserwacje
    Meteorite falls in 2019. Circumstances and observations
    Autorzy:
    Żmija, Mateusz
    Powiązania:
    https://bibliotekanauki.pl/articles/1033169.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Meteorytowe
    Tematy:
    bolide
    carbonaceous
    chondrite
    fireball
    meteor
    meteorite
    meteorite fall
    summary
    Opis:
    In 2019 two meteorite showers occurred on Earth, which ended with the fall of hundreds of fragments in Cuba and Costa Rica. Apart from them, meteorites with a total weight of probably less than 10 kg landed in Algeria, Morocco, Iran, India, and Germany. This work is another summary of the year in terms of meteorite falls. It includes information on the circumstances of these phenomena and their scientific consequences. The author collected information from many sources, especially the media and meteorite hunters, to describe in a brief form how the meteorites fell last year. The purpose of his work is to gather basic and proven knowledge, which can serve as an inspiration to further explore the history of meteorites, own meteorite hunting, and draw the attention of researchers to interesting falls in distant regions of the world.
    Źródło:
    Acta Societatis Metheoriticae Polonorum; 2020, 11; 141-157
    2080-5497
    Pojawia się w:
    Acta Societatis Metheoriticae Polonorum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Spadki meteorytów w 2023 roku. Okoliczności i obserwacje
    Meteorite falls in 2023. Circumstances and observations
    Autorzy:
    Żmija, Mateusz
    Powiązania:
    https://bibliotekanauki.pl/articles/30146495.pdf
    Data publikacji:
    2024-04
    Wydawca:
    Polskie Towarzystwo Meteorytowe
    Tematy:
    meteorite
    meteorite fall
    meteor
    fireball
    fireball network
    bolide
    Opis:
    In 2023, there were 12 meteorite falls around the world. Among them, the Saint-Pierre-le-Viger meteorite stands out, because the fall was preceded by the observation of an asteroid approaching the Earth. The article also drew attention to the presence of meteorites causing material damage and to the finds made by Polish searchers.
    Źródło:
    Acta Societatis Metheoriticae Polonorum; 2024, 15; 178-194
    2080-5497
    Pojawia się w:
    Acta Societatis Metheoriticae Polonorum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    15 lat obserwacji – wybrane spadki meteorytów rejestrowane w PFN w latach 2004–2019
    15 years of observation – selected meteorite falls registered in the PFN in 2004–2019
    Autorzy:
    Tymiński, Zbigniew
    Żołądek, Przemysław
    Wiśniewski, Mariusz
    Stolarz, Marcin
    Polakowski, Krzysztof
    Myszkiewicz, Maciej
    Zaręba, Paweł
    Gawroński, Maciej P.
    Suchodolski, Tomasz
    Olech, Arkadiusz
    Powiązania:
    https://bibliotekanauki.pl/articles/1033136.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Meteorytowe
    Tematy:
    PKiM
    Polish Fireball Network
    bolide
    exploration
    meteorite falls
    meteoroid
    Opis:
    The Polish Fireball Network (PFN) associated in Comets and Meteors Workshop monitors the sky over Poland regularly for 15 years and registers the bright fireballs over the whole country (Olech 2006; Wiśniewski 2017). Every year we observe a few meteorite falls but due to weather conditions some data are not sufficient for proper strewnfield calculations. In the collaboration with the European Fireball Network the whole territory of Poland is monitored almost regardless of the weather. The publication describes the bolide phenomena characterized by distinctive meteorite falls, so the strewnfield indicated here should become the target of further exploration expeditions.
    Źródło:
    Acta Societatis Metheoriticae Polonorum; 2019, 10; 160-167
    2080-5497
    Pojawia się w:
    Acta Societatis Metheoriticae Polonorum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Raport PFN z poszukiwań meteorytów w latach 2018–2020
    PFN report on field meteorite search in period 2018–2020
    Autorzy:
    Tymiński, Zbigniew
    Żoładek, Przemysław
    Wiśniewski, Mariusz
    Stolarz, Marcin
    Polakowski, Krzysztof
    Jaśkiewicz, Artur
    Janasz, Sylwia
    Gawroński, Marcin P.
    Krzyżanowski, Tomasz
    Kwinta, Maciej
    Olech, Arkadiusz
    Piatlicki, Jauhien
    Suchodolski, Tomasz
    Szlagor, Mariusz
    Węgrzyk, Walburga
    Zaręba, Paweł
    Zelevich, Jurij
    Powiązania:
    https://bibliotekanauki.pl/articles/1830329.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Meteorytowe
    Tematy:
    Polish Fireball Network
    bolide
    meteorite falls
    meteorite field search
    meteoroid
    Opis:
    Since 2010, the Meteorite Section of the Comet and Meteor Workshop (PKiM) has been systematically organizing exploratory expeditions to selected meteorite strewn fields, calculated from bolides registered with the Polish Fireball Network (PFN). Some of the expeditions organized in the period of 2018–2020, after the phenomena PF140118, PF070119, EN050120 and PF310720 are reported. All these phenomena have a common feature, they reach beyond the borders of Poland – either the analysis was developed in cooperation with the European Fireball Network (EN) or the meteorite fall took place abroad. It is clear that meteor phenomena have no boundaries and for positive research results in near-Earth space science a European cooperation is highly recommended. Many meteorites fallen from the bolides registered in the PFN are still in the strewn field waiting to be discovered. The article presents a study of the most important phenomena happened in two last years, and it is also a hint where to look for meteorites in Europe.
    Źródło:
    Acta Societatis Metheoriticae Polonorum; 2021, 12; 98-107
    2080-5497
    Pojawia się w:
    Acta Societatis Metheoriticae Polonorum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Raport z działalności PKiM oraz PFN w latach 2021–2022
    Report on the activities of the PKiM and PFN in period 2021–2022
    Autorzy:
    Tymiński, Zbigniew
    Żołądek, Przemysław
    Jaśkiewicz, Artur
    Wiśniewski, Mariusz
    Stolarz, Marcin
    Polakowski, Krzysztof
    Kwinta, Maciej
    Krzyżanowski, Tomasz
    Laskowski, Janusz
    Łojek, Tomasz
    Michniewicz, Olga
    Szlagor, Mariusz
    Węgrzyk, Walburga
    Zaręba, Paweł
    Olech, Arkadiusz
    Gawroński, Marcin P.
    Mazur, Mirosław
    Żejmo, Michał
    Ogłoza, Waldemar
    Froń, Adam
    Gzik, Sylwia
    Powiązania:
    https://bibliotekanauki.pl/articles/2195016.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Meteorytowe
    Tematy:
    meteoroid
    bolide
    meteorite falls
    Polish Fireball Network
    Opis:
    The Polish Fireball Network (PFN), has been undergoing continuous development. Since then, several large grants have been obtained, which were at least partly used for modernization purposes. In recent years, two more grants have been obtained, which allowed for the expansion and modification of the existing PFN infrastructure. In 2021, the PFN76 Kozienice was modernized, but also the PFN14 Zielona Góra station was reactivated and the new PFN77 Suhora station was launched in 2022. Thanks to these improvements, the tracking of meteoroids entering the Earth Atmosphere above Poland became more accurate, which facilitates the search for meteorites and increases the chances of finding new fresh meteorites in Poland. On the night of May 10, 2021, PFN stations registered an exceptionally slow bolide. The phenomenon named PF100521 Wykrot appeared over central Poland in the Mazowieckie Voivodeship at 21:32 UT and calculations showed that some meteorites may have fallen. This phenomenon was used to conduct a series of analyzes to show how observational uncertainties affect the final results. Two variants of the results are presented in this work.
    Źródło:
    Acta Societatis Metheoriticae Polonorum; 2023, 14; 183-191
    2080-5497
    Pojawia się w:
    Acta Societatis Metheoriticae Polonorum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Raport z poszukiwań meteorytów w ramach PFN w sezonie 2016/2017
    Report on meteorite field search within PFN in 2016/2017 season
    Autorzy:
    Tymiński, Zbigniew
    Żołądek, Przemysław
    Wiśniewski, Mariusz
    Stolarz, Marcin
    Jaśkiewicz, Artur
    Myszkiewicz, Maciej
    Gawroński, Marcin P.
    Suchodolski, Tomasz
    Polakowski, Krzysztof
    Zaręba, Paweł
    Olech, Arkadiusz
    Powiązania:
    https://bibliotekanauki.pl/articles/1033117.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Meteorytowe
    Tematy:
    Polish Fireball Network
    bolide
    meteorite falls
    meteorite field search
    meteoroid
    Opis:
    The Meteorite Section was created in 2010 on demand of Polish Fireball Network (PFN) for the meteorite searching and investigation purposes. The main task of the Section is to find the meteorites dropped from bolides registered by the Polish Fireball Network. Each year, the PFN registers several meteorite falls within our country and meteorite strewnfield inspections must be carried out at least for the masses of above 300 g estimated with the PyFN software. Only last year the PFN organized several search campaigns. Two of them are presented in the publication.
    Źródło:
    Acta Societatis Metheoriticae Polonorum; 2018, 9; 158-163
    2080-5497
    Pojawia się w:
    Acta Societatis Metheoriticae Polonorum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The Alvarez impact theory of mass extinction; limits to its applicability and the "great expectations syndrome"
    Autorzy:
    Racki, G.
    Powiązania:
    https://bibliotekanauki.pl/articles/20155.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    Alvarez impact theory
    mass extinction
    great expectation syndrome
    bolide impact
    extraterrestrial marker
    impact crater
    Cretaceous
    Paleogene
    Triassic
    Jurassic
    Frasnian
    Famennian
    boundary
    Opis:
    For the past three decades, the Alvarez impact theory of mass extinction, causally related to catastrophic meteorite impacts, has been recurrently applied to multiple extinction boundaries. However, these multidisciplinary research efforts across the globe have been largely unsuccessful to date, with one outstanding exception: the Cretaceous–Paleogene boundary. The unicausal impact scenario as a leading explanation, when applied to the complex fossil record, has resulted in force−fitting of data and interpretations (“great expectations syndrome”). The misunderstandings can be grouped at three successive levels of the testing process, and involve the unreflective application of the impact paradigm: (i) factual misidentification, i.e., an erroneous or indefinite recognition of the extraterrestrial record in sedimentological, physical and geochemical contexts, (ii) correlative misinterpretation of the adequately documented impact signals due to their incorrect dating, and (iii) causal overestimation when the proved impact characteristics are doubtful as a sufficient trigger of a contemporaneous global cosmic catastrophe. Examples of uncritical belief in the simple cause−effect scenario for the Frasnian–Famennian, Permian–Triassic, and Triassic–Jurassic (and the Eifelian–Givetian and Paleocene–Eocene as well) global events include mostly item−1 pitfalls (factual misidentification), with Ir enrichments and shocked minerals frequently misidentified. Therefore, these mass extinctions are still at the first test level, and only the F–F extinction is potentially seen in the context of item−2, the interpretative step, because of the possible causative link with the Siljan Ring crater (53 km in diameter). The erratically recognized cratering signature is often marked by large timing and size uncertainties, and item−3, the advanced causal inference, is in fact limited to clustered impacts that clearly predate major mass extinctions. The multi−impact lag−time pattern is particularly clear in the Late Triassic, when the largest (100 km diameter) Manicouagan crater was possibly concurrent with the end−Carnian extinction (or with the late Norian tetrapod turnover on an alternative time scale). The relatively small crater sizes and cratonic (crystalline rock basement) setting of these two craters further suggest the strongly insufficient extraterrestrial trigger of worldwide environmental traumas. However, to discuss the kill potential of impact events in a more robust fashion, their location and timing, vulnerability factors, especially target geology and palaeogeography in the context of associated climate−active volatile fluxes, should to be rigorously assessed. The current lack of conclusive impact evidence synchronous with most mass extinctions may still be somewhat misleading due to the predicted large set of undiscovered craters, particularly in light of the obscured record of oceanic impact events.
    Źródło:
    Acta Palaeontologica Polonica; 2012, 57, 4
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nie takie zaorane pole straszne, jak się wydaje. Poszukiwania meteorytów na Słowacji
    A plowed field is not as scary as it seems. Meteorite hunting in Slovakia
    Autorzy:
    Morys, Jarosław
    Żmija, Mateusz
    Powiązania:
    https://bibliotekanauki.pl/articles/2195011.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Meteorytowe
    Tematy:
    Meteorite
    Bolide
    Meteorite Hunting
    Meteorite Fall
    Meteorite Find
    Chondrite
    Strewnfield
    Puste Ulany
    Slovakia
    Opis:
    The article describes the finding of the first meteorites after a fall that occurred on June 25, 2022 in the area of the village of Pusté Úľany in southwestern Slovakia. The discovery was made by two meteorite hunters from Poland – Mateusz Żmija and Jarosław Morys, who found specimens weighing 8.55 grams and 10.73 grams.
    Źródło:
    Acta Societatis Metheoriticae Polonorum; 2023, 14; 134-140
    2080-5497
    Pojawia się w:
    Acta Societatis Metheoriticae Polonorum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Spadki meteorytów w 2022 roku. Okoliczności i obserwacje
    Meteorite falls in 2022. Circumstances and observations
    Autorzy:
    Morys, Jarosław
    Żmija, Mateusz
    Powiązania:
    https://bibliotekanauki.pl/articles/2195012.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Meteorytowe
    Tematy:
    meteorite
    meteorite fall
    meteor
    fireball
    bolide
    summary
    Opis:
    In 2022, there were ten meteorites found worldwide after fresh falls. These are primarily ordinary chondrites, but one achondrite fall was also recorded. Meteorite falls occurred in the United States (3) and China (2) but also in Algeria, Brazil, Slovakia, India, and the Philippines. This paper shows how these meteorites were found and provides conclusions before future searches.
    Źródło:
    Acta Societatis Metheoriticae Polonorum; 2023, 14; 141-156
    2080-5497
    Pojawia się w:
    Acta Societatis Metheoriticae Polonorum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Spadki meteorytów w latach 2020–2021. Okoliczności i obserwacje
    Meteorite falls in 2020–2021. Circumstances and observations
    Autorzy:
    Morys, Jarosław
    Żmija, Mateusz
    Powiązania:
    https://bibliotekanauki.pl/articles/2034034.pdf
    Data publikacji:
    2022-03
    Wydawca:
    Polskie Towarzystwo Meteorytowe
    Tematy:
    meteorite
    meteorite fall
    meteor
    fireball
    bolide
    summary
    Opis:
    The paper presents the circumstances and data accompanying meteorite falls in recent years. The study contains descriptions of 21 falls observed in 2020 and 15 falls in 2021. These phenomena took place on all continents, except the polar regions. In conclusion, this work is a collection of several dozen stories about freshly fallen meteorites. They show many aspects connected with the observations and the hunting for new specimens.
    Źródło:
    Acta Societatis Metheoriticae Polonorum; 2022, 13; 67-106
    2080-5497
    Pojawia się w:
    Acta Societatis Metheoriticae Polonorum
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Short-term survival of ammonites in New Jersey after the end-Cretaceous bolide impact
    Autorzy:
    Landman, N.H.
    Garb, M.P.
    Rovelli, R.
    Ebel, D.S.
    Edwards, L.E.
    Powiązania:
    https://bibliotekanauki.pl/articles/22198.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Paleobiologii PAN
    Tematy:
    short-term survival
    ammonite
    New Jersey
    Cretaceous
    bolide impact
    Ammonoidea
    biostratigraphy
    extinction
    Paleogene
    boundary
    Opis:
    A section containing the Cretaceous/Paleogene (= Cretaceous/Tertiary) boundary in Monmouth County, New Jersey, preserves a record of ammonites extending from the end of the Cretaceous into possibly the beginning of the Danian. The section includes the upper part of the Tinton Formation and lower part of the Hornerstown Formation. The top of the Tinton Formation is represented by a richly fossiliferous unit (the Pinna Layer) that contains many bivalves in life position as well as ammonite jaws preserved inside body chambers. Ammonites include Pachydiscus (Neodesmoceras) mokotibensis, Sphenodiscus lobatus, Eubaculites carinatus, E. latecarinatus, Discoscaphites iris, D. sphaeroidalis, D. minardi, and D. jerseyensis. The Pinna Layer probably represents a relatively short interval of time lasting tens to hundreds of years; it is conformably overlain by the Burrowed Unit, which contains a single fragment of Discoscaphites sp. and several fragments of E. latecarinatus, as well as several isolated specimens of ammonite jaws including two of Eubaculites. Examination of the mode of preservation of the ammonites and jaws suggests that they were fossilized during deposition of the Burrowed Unit and were not reworked from older deposits. Based on the ammonites and dinoflagellates in the Pinna Layer and the Burrowed Unit, these strata traditionally would be assigned to the uppermost Maastrichtian, corresponding to calcareous nannofossil Subzone CC26b. However, a weak iridium anomaly (500–600 pg/g) is present at the base of the Pinna Layer, which presumably represents the record of the bolide impact. Correlation with the iridium layer at the Global Stratotype Section and Point at El Kef, Tunisia, would, therefore, imply that these assemblages are actually Danian, provided that the iridium anomaly is in place and the ammonites and dinoflagellates are not reworked. If the iridium anomaly is in place, or even if it has migrated downward from the top of the Pinna Layer, the ammonites would have survived the impact at this site for a brief interval of time lasting from a few days to hundreds of years.
    Źródło:
    Acta Palaeontologica Polonica; 2012, 57, 4
    0567-7920
    Pojawia się w:
    Acta Palaeontologica Polonica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Meteors and meteorite falls in Morocco
    Autorzy:
    Ibhi, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/411969.pdf
    Data publikacji:
    2013
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Meteor
    meteorite
    fall
    bright bolide
    Morocco
    Opis:
    During the last eighty years, thirteen meteorite falls were recorded in Morocco, which ten are well documented and named Douar Mghila, Oued el Hadjar, Itqiy, Zag, Bensour, Oum Dreyga, Benguerir, Tamdakht, Tissint and Aoussred. It represent only 0.011 % of the Moroccan declared meteorites.The authenticated observed falls represent three types of different meteorites, eight ordinary chondrites (Four of type LL, three of type H and one of type EH), one carbonaceous chondrite and one Shergottite basaltic achondrites. The Morocco meteorite fall recovery rate, during the past eighty years, is low 0.11 falls per year on average per 2.11 km2 (or approximately one fall recovery per 10 year time interval).
    Źródło:
    International Letters of Chemistry, Physics and Astronomy; 2013, 12; 28-35
    2299-3843
    Pojawia się w:
    International Letters of Chemistry, Physics and Astronomy
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Naturalne eksplozje w atmosferze ziemskiej i ich rejestracje w stacjach sejsmologicznych
    Natural Explosions in the Earth’s Atmosphere and their Records at Seismological Stations
    Autorzy:
    Ciechowska, Helena
    Fronczak, Aleksandra
    Karasewicz, Maciej
    Mocek, Klaudia
    Zawadzki, Mikołaj
    Grad, Marek
    Powiązania:
    https://bibliotekanauki.pl/articles/1818550.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwa Geofizyczne
    Tematy:
    katastrofa tunguska
    zjawisko w Jerzmanowicach
    superbolid czelabiński
    bolid pomorski
    sejsmogramy
    Tunguska Event
    Jerzmanowice Event
    Chelyabinsk superbolide
    Pomorze bolide
    seismograms
    Opis:
    W pracy przedstawione zostały wybrane cztery zjawiska naturalnych eksplozji w atmosferze Ziemi. Są to w porządku chronologicznym: katastrofa tunguska (1908), zjawisko w Jerzmanowicach (1993), superbolid czelabiński (2013) i bolid pomorski (2015). W przypadku zjawiska w Jerzmanowicach obserwacje wskazują na jedną lub dwie eksplozje pioruna kulistego. Pozostałe przypadki mają cechy bolidów, które wybuchły w atmosferze ziemskiej na wysokości 5-30 km, a efekty akustyczne zostały zarejestrowane przez stacje sejsmologiczne. Obiekt tunguski i bolid pomorski pochodziły prawdopodobnie z roju meteorów Taurydów, są więc pochodzenia kometarnego. Natomiast superbolid czelabiński został zakwalifikowany do chondrytów zwyczajnych (meteorytów kamiennych) o bardzo niskiej zawartości żelaza i niklu, i mógł być fragmentem planetoidy 2011 EO40.
    This paper presents four selected natural explosive events in Earth’s atmosphere. In chronological order: Tunguska Event (1908), Jerzmanowice Event (1993), Chelyabinsk superbolide (2013), and Pomorze bolide (2015). In case of Jerzmanowice Event, observations indicate on one or two explosions of ball lightning. The other cases have characterists of bolides which exploded in the atmosphere at height of 5-30 km. For those cases acoustic effects were recorded by seismic stations. Perhaps, Tunguska Event and Pomorze bolide were part of Taurides meteor swarm, which may mean that their origin is cometary. The Chelyabinsk superbolide was classified to ordinary chondrites (rock meteorites) containing small amount of iron and nickel, and could be a part of 2011 EO40 planetoid.
    Źródło:
    Przegląd Geofizyczny; 2020, 1-2; 41--54
    0033-2135
    Pojawia się w:
    Przegląd Geofizyczny
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-15 z 15

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