Meteorite Craters Discovered by Means of Examining X-SAR Images -- Part II
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We present geologic or geographic structures, assumed to be craters of
meteoritic origin, discovered on radar images taken by the X-SAR on
board of the Space Shuttle, during missions carried out in April and
October 1994.
The author has attempted to determine the real frequency of meteoritical
events of megatonic class through a bibliographic search for events that
occurred during the last two centuries. The outcome of this search was
unexpected: (1) megatonic events seem to occur once every ten years; and
(2) the discovery of some presently unknown events. A list of possible
or certain megatonic events is presented.
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IAUC 6265 available at Central Bureau for Astronomical Telegrams.