The Age of Iron Meteorites

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IF meteorites are scattered portions of our solar system, derived from some disintegrated planet or from the earth, then their age cannot be greater than that of the solar system. This is assumed to be about 3 × 109 years at the utmost. If, however, meteorites come from other stars, it is possible that the period of their solidification could date back some 1012 years. A determination of the age of meteorites can therefore bear on the question of their source.

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