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Q. Which among the following theories of the origin of Earth and their theorists is correctly matched?
Answer: Binary star theory - Russel
Notes: The Binary star hypothesis was given by Russel.
Nebular Hypothesis - Laplace
Planetesimal Hypothesis - Chamberlin 
Tidal Hypothesis - Jeffreys

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Question Number: 280 in Astronomy - Universe, Constellations & Galaxies, Stars in above course in App.