hardness, luster, color, streak, specific gravity, cleavage, fracture, and tenacity.
Marselie, provence-alpes-côte d'azur
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2. Cosmic Background Radiation
The Cosmic Background Radiation are when the heat of a planet is measured by the left over heat of it. This is based on the “Big bang Theory” wherein the planets were formed because it was once a very hot radiation.
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