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A twist on planetary origins: Meteorites were byproducts of planetary formation, not building blocks — ScienceDaily

Meteors that have crashed to Earth have long been regarded as relics of the early solar system. These craggy chunks of metal and rock are studded with chondrules — tiny, glassy, spherical grains that were once molten droplets. Scientists have thought that chondrules represent early kernels of terrestrial planets: As the solar system started to coalesce, these molten droplets collided with bits of gas and dust to form larger planetary precursors. However, researchers have now found that chondrules may have played less of a fundamental role. Based on computer simulations, the group concludes that chondrules were not building blocks, but rather byproducts of a violent and messy planetary process.

via A twist on planetary origins: Meteorites were byproducts of planetary formation, not building blocks — ScienceDaily.

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