Most Large Regular Moons Probably Formed

question 52

Multiple Choice

Most large regular moons probably formed

• A) when passing asteroids were captured by the gravitational field of their planet.
• B) at the same time as their planets and grew by accretion.
• C) after a collision between a planet and a large asteroid fractured off a piece of the planet.
• D) after the period of heavy bombardment in the early Solar System.
• E) after a planet got kicked out of its orbit and was gravitationally captured by another planet.

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