Question

Over 99.9% of the solar system is composed of hydrogen and helium. How does this help to explain the size differences between the terrestrial planets and the gas giants?

Answer 1

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The principal component of the Solar System is the Sun, a G2 main-sequence star that contains 99.86% of the system's known mass and dominates it gravitationally. The Sun's four largest orbiting bodies, the giant planets, account for 99% of the remaining mass, with Jupiter and Saturn together comprising more than 90%.

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Answer 2

Answer:

the terrestrial planets in the solar system have atmosphere made up mostly of gases such as corbon dioxide, nitrogen and oxygen. the gas giants, on the other hand,consist mainly of

lighter gases Like hydrogen and helium.