Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991avest..25..104b&link_type=abstract
Astronomicheskii Vestnik (ISSN 0320-930X), vol. 25, Jan.-Feb. 1991, p. 104-108. In Russian.
Astronomy and Astrophysics
Astronomy
Bolides, Earth Atmosphere, Fireballs, Meteorite Craters, Equations Of Motion, Impact Damage, Luminous Intensity
Scientific paper
Data on the bright fire-ball (-15 mag) which was observed over Estonia on June 1, 1937 are analyzed as well as the results of an investigation of the Simuna crater which is 8.5 m in diameter. It is shown that this fire-ball entered the earth's atmosphere with an initial velocity of 11-20 km/s. The initial mass of this body was greater than or equal to 50 tons since the Simuna crater was formed by the impact of a body with a mass of less than or equal to 67 kg.
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