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Formation of Our Solar System

Earth Science - Middle School

 
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Formation of Our Solar System Photos courtesy of NASA. Nebulae Solar systems begin in dusty gas clouds called nebulae that are found between stars. The dust is composed of elements like iron and carbon. Nebula gases include hydrogen and helium. Planetesimals Within a nebula, dust particles collide and stick together to form larger particles. This process is called accretion. The particles grow from pebbles, to rocks, to boulders. The larger particles are called planetesimals. Rocky & Gaseous Plan et Formation Rocky planetesimals near the Sun grew by accretion to become the rocky planets—Mercury, Venus, Earth and Mars. In the colder outer parts of the solar system, frozen gases accreted to rocky cores to form the gas giant planets—Jupiter, Saturn, Uranus and Neptune. © Copyright NewPath Learning. All Rights Reserved. 94-4576 Visit www.newpathlearning.com for Online Learning Resources. Horsehead Nebula planetesimal dust
Pause and Review Create a concept map to describe the formation of the solar system. Formation of Our Solar System © Copyright NewPath Learning. All Rights Reserved. 94-4576 Visit www.newpathlearning.com for Online Learning Resources. Formation of Our Solar System composed of formed by formed by formed by
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