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Practice Speaking: Read Aloud
ID: #52050
Long Small Pebble
Analyses on small pebble found in south-west Egypt cast significant questions on widely-held view about primitive pre-solar dust cloud which our Sun, Earth and other planets were formed from. Researchers found exotic micro-mineral compounds in 'Hypatia' stone that are not known to occur on Earth, elsewhere in our solar system, or in known meteorites or comets.
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