Answer: B. Emperor Leo III was an iconoclast who thought that praying to icons was a violation of the second commandment, while the Pope thought praying to icons was fine.
According to our current knowledge, planets are formed around a new star by condensing in a disc of molecular gas and dust, embedded within a larger molecular cloud. Condensation increases until they become giant planets, which are heated, then cleanse their orbits in the disc and possibly bend it.