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Zagadkowe znalezisko z elipsy spadku meteorytu Łowicz

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Kozłowski S.
Acta Societatis Metheoriticae Polonorum
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2023
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vol. 14
93-99
EN
The paper presents the circumstances of finding and analyses of an unusual 35 g piece of iron-like meteor-wrong collected in the strewnfield of the Łowicz meteorite (mesosiderite). While both the outer appearance of the specimen and its internal etched section closely resemble that of meteorites, as it includes pseudo-figures and pseudo-Neumann lines, the X-ray fluorescence (XRF) and scanning electron microscope (SEM) spectroscopy shows no signs of the nickel content in the iron-dominated alloy. This rules out the possibility of this specimen having outer space origin.
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Meteoryty w kolekcji Obserwatorium Astronomicznego Uniwersytetu Warszawskiego (OAUW)

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Kozłowski S.
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PL
Budynek Obserwatorium Astronomicznego przy Al. Ujazdowskich 4 w centrum Warszawy powstawał w latach 1820–1824. W swojej dwustuletniej historii był on niemym świadkiem dwóch dzisiaj już historycznych zdarzeń – zarówno przelotu bolidu (meteorytu) Pułtusk w 1868 roku oraz towarzyszącym mu hałasom eksplozji, jak również efektów świetlnych związanych ze spadkiem meteorytu Łowicz w 1935 roku. W obydwu tych przypadkach pracownicy Obserwatorium wydelegowani zostali na miejsca spadku meteorytów, gdzie zebrali oni świeże okazy meteorytu Pułtusk (około 400 sztuk) oraz Łowicz (cztery lub pięć sztuk). Obecnie kolekcję Obserwatorium stanowi sześć meteorytów: 3,7 kg okaz meteorytu Łowicz (trzeci największy istniejący okaz z tego spadku), doskonale zachowany meteoryt Pułtusk o wadze 1,2 kg, a także Allende, Canyon Diablo, Gibeon i Millbillillie.
EN
The building of the Astronomical Observatory at Al. Ujazdowskie 4 in the center of Warsaw was constructed between 1820 and 1824. During its bicentennial history, it has been a silent witness to two now-historical events – both the firball of the Pułtusk meteorite in 1868, accompanied by the sounds of the explosion, as well as the light effects associated with the fall of the Łowicz meteorite in 1935. In both cases, employees of the Observatory were delegated to the meteorite strewnfields, where they collected fresh specimens of the Pułtusk meteorite (around 400 specimens) and Łowicz (four or five fragments). Currently, the Observatory’s collection consists of six meteorites: a 3.7 kg specimen of the Łowicz meteorite (the third-largest existing specimen from this fall), a well-preserved 1.2 kg Pułtusk meteorite, as well as Allende, Canyon Diablo, Gibeon, and Millbillillie.
3
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Pochodzenie materii meteorytowej

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Kozłowski S.
Acta Societatis Metheoriticae Polonorum
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2023
|
vol. 14
100-113
EN
In this article, I briefly review the history of the elements in the Universe, starting from cosmic inflation and ending at the creation of elements and minerals that we find in meteorites.
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