Results 161 to 170 of about 1,176 (209)
Bolide summer: The Paleocene/Eocene thermal maximum as a response to an extraterrestrial trigger
Palaeogeography, Palaeoclimatology, Palaeoecology, 2005 The standard paradigm that the Paleocene/Eocene thermal maximum (PETM) represents a threshold event intrinsic to Earth's climate and connected in some way with long-term warming has influenced interpretations of the geochemical, climate, and biological ...
Benjamin S Cramer
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Journal of Geophysical Research E: Planets, 2019 Molecular hydrogen (H2) from volcanic emissions is suggested to warm the Martian surface when carbon dioxide (CO2) levels dropped from the Noachian (4100 to 3700 Myr) to the Hesperian (3700 to 3000 Myr).
Rafael Navarro-González +2 more
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The Modeling of Bolide Terminal Explosions
Earth, Moon, and Planets, 2004The phenomenon of terminal thermal explosions of bolides is considered and mathematically modeled, using the mechanisms of ablation and fragmentation due to mechanical and thermal stresses. The definition and criterion of thermal explosions are given.
G. A. Tirskiy, D.Yu. Khanukaeva
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New stratospheric dust belt due to the Chelyabinsk bolide
Geophysical Research Letters, 2013 The Ozone Mapping Profiler Suite (OMPS) Limb Profiler (LP) on the recently launched NASA/NOAA NPP/ Suomi satellite detected aerosol excess in the midstratosphere (25-45 km altitude) between 50degN and 70degN latitudes.
Nick Gorkavyi +2 more
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Geological Society of America Bulletin, 1983
The stratigraphic record is punctuated by episodes of mass extinction; these must be accounted for by major changes in the evolution of the Earth. Three groups of forces have acted on the Earth through time and may be adduced as the ultimate causes of many geological phenomena—including extinctions.
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The stratigraphic record is punctuated by episodes of mass extinction; these must be accounted for by major changes in the evolution of the Earth. Three groups of forces have acted on the Earth through time and may be adduced as the ultimate causes of many geological phenomena—including extinctions.
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2020
<p>October 31st of 2015 the bolide lightened up the sky above Northern Poland. The main purpose of the project&#160; was to define the place and time of its explosion in Earth&#8217;s atmosphere. To calculate these values and define the velocity of acoustic wave in the air, MATLAB model has been created. The model
Helena Ciechowska +5 more
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<p>October 31st of 2015 the bolide lightened up the sky above Northern Poland. The main purpose of the project&#160; was to define the place and time of its explosion in Earth&#8217;s atmosphere. To calculate these values and define the velocity of acoustic wave in the air, MATLAB model has been created. The model
Helena Ciechowska +5 more
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Journal of Mathematical Sciences, 2007
One of the interesting applications of a classical problem on movement of a solid body in resistant media is considered which is connected to estimation of trajectories of space bodies such as meteorites in the atmosphere of the Earth (or other planets). One feature of these objects is the absence of their “correct” form.
B. Ya. Lokshin +3 more
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One of the interesting applications of a classical problem on movement of a solid body in resistant media is considered which is connected to estimation of trajectories of space bodies such as meteorites in the atmosphere of the Earth (or other planets). One feature of these objects is the absence of their “correct” form.
B. Ya. Lokshin +3 more
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The Rate of Falls of Meteorites and Bolides
Solar System Research, 2020We perform a statistical analysis of 926 confirmed falls of meteorites that occurred in the period 1860 to 2017. The distribution of meteorites over masses is approximated with a lognormal law. It has been shown that the mean interval between the detections of falls of Chelyabinsk-like meteorites is ~25 years.
A. E. Dudorov, O. V. Eretnova
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Meteoroid, Bolide and Meteorite «Chelyabinsk»
Materials Science Forum, 2016This paper presents the brief review of Chelyabinsk group of meteoroid, bolide and meteorite "Chelyabinsk" investigations. Height of the maximum of the main flash of Chelyabinsk bolide is 30 km. Only 1% of meteoroid mass arrived to the Earth surface in the form of meteorites while the most part of meteoroid became dust.
Aleksander E. Dudorov +7 more
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On Limb Observations of Bolides
Solar System Research, 2019The LP/OMPS limb sensor of the Suomi satellite detected the atmospheric trace of the Chelyabinsk superbolide with an energy of over 400 kt TNT in 2013. The study of LP/OMPS data shows that it detects several bolides with much less energy each year. The paper considers the cases of observation of three bolides in 2016–2017: on February 6, 2016 (13 kt ...
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