* Astronomy

Name: ZAISAN.
The place of fall or discovery: Zaisan lake, East-Kazakhstan District, Kazakhstan SSR, USSR.
Date of fall or discovery: FALL, December 18th, 1963, 11 hrs.
Class and type: STONY, chondrite.
Number of individual specimens: 1.
Total weight: 463 gr.
Circumstances of the fall or discovery: A. N. Gorskov being at the Zaisan lake, heard a detonation and noticed a dust trail in the sky. In about half a minute some noise resembling hissing was heard and a meteorite fall on the ice of the lake at a distance of approximately 50 metres from the observer. The meteorite is of polyhedral form, some of its surfaces being of the second kind, and it is covered with a fusion crust from all sides. The meteorite was turned over to the Committee on Meteorites of the USSR Academy of Sciences.
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