Japanese scientists have found micrometeorites, whose size is about 10 micrometers. This is the oldest ever found on Earth residue of celestial bodies.According to researchers’ studies this meteorites are more than 240 million years. For such a long period of time all materials in meteorites are destroyed. Each year on Earth falls more than thirty thousand tons of such micro mete orites, most of which are destroyed when hitting the Earth’s atmosphere.
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