Models of how the Sun and planets formed and rearranged themselves, including the nebular hypothesis, the Nice model of planetary migration, the Late Heavy Bombardment and the giant-impact hypothesis for the Moon. A concept belongs here when its cited article defines one of these models. Members are placed here from their own cited Wikipedia articles, each with a verbatim supporting quotation, so a reader can check why an entry sits in this group. The grouping forms part of the browse path for this section of the atlas.
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Origin and Evolution of the Solar System
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Nebular hypothesis (Wikipedia)
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The nebular hypothesis is the most widely accepted model in the field of cosmogony to explain the formation and evolution of the Solar System (as well as other planetary systems).
Late Heavy Bombardment (Wikipedia)
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The Late Heavy Bombardment (LHB), or lunar cataclysm, is a hypothesized astronomical event thought to have occurred approximately 4.1 to 3.8 billion years (Ga) ago, at a time corresponding to the Neohadean and Eoarchean eras on Earth.
Giant-impact hypothesis (Wikipedia)
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an astrogeology hypothesis for the formation of the Moon
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