Theories
Giant-Impact Hypothesis
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The giant-impact hypothesis, also called the Theia Impact, is an astrogeology hypothesis proposing that the Moon formed when the proto-Earth collided with a Mars-sized protoplanet approximately 4.5 billion years ago in the early Hadean eon.
Facts
Proposed YearSourced to the subject's own account Proposed BySourced to the subject's own account Cross-Tradition Connections
Sources
1. Giant-Impact Hypothesis (Wikipedia)
WikipediaLead section (entity-description)Quote, Lead section (entity-description)
The giant-impact hypothesis, sometimes called the Theia Impact, is an astrogeology hypothesis for the formation of the Moon first proposed in 1946 by Canadian geologist Reginald Daly.
1. Giant-Impact Hypothesis (Wikipedia)
WikipediaLead section (proposed-year)Quote, Lead section (proposed-year)
The giant-impact hypothesis, sometimes called the Theia Impact, is an astrogeology hypothesis for the formation of the Moon first proposed in 1946 by Canadian geologist Reginald Daly.
1. Giant-Impact Hypothesis (Wikipedia)
WikipediaLead section (proposed-by)Quote, Lead section (proposed-by)
The giant-impact hypothesis, sometimes called the Theia Impact, is an astrogeology hypothesis for the formation of the Moon first proposed in 1946 by Canadian geologist Reginald Daly.
1. Giant-Impact Hypothesis (Wikipedia)
WikipediaProposed By: Reginald Aldworth Daly, History section (edge: proposed-by, Daly)Quote, Proposed By: Reginald Aldworth Daly, History section (edge: proposed-by, Daly)
In 1946, Reginald Aldworth Daly of Harvard University challenged Darwin's explanation, adjusting it to postulate that the creation of the Moon was caused by an impact rather than centrifugal forces.
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