The theory proposes that the moon was a passing asteroid pulled into orbit by earth's gravity

It is the theory of capture, which proposes that the moon was an asteroid, this theory was in 1980 and was based on the capture of the moon by the land that was released and was trapped in the gravity of the earth. This happened also on other planets, but it was the study of the moon in which he had more emphasis.

C. a mature ovule of a plant.

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