Biology, 15.11.2019 20:31, luna163

Our solar system is thought to have started with the birth of our sun, which formed from a cloud of interstellar dust and gas. this cloud condensed and eventually collapsed from its own gravitational pull. the heat and pressure built up, forming a protostar. eventually nuclear fusion began. planets formed from remaining dust and gas orbiting the protostar. this explanation best describes

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Our solar system is thought to have started with the birth of our sun, which formed from a cloud of...