It's powerful because these are both slow-moving planets and therefore only rarely link up with each other.
它的强大，是因为这两颗都是缓慢移动的行星，因此很少有机会联系与对方连接起来。
When you study the interactions of moving planets you realise that orbits around the sun are a much more compelling way of understanding the universe.
当你研究行星之间的互动关系时，你会发现行星绕着太阳转是更为合理的宇宙观。
Moving on through the asteroid belt we enter the realms of the gas giant planets: Jupiter, Saturn, Uranus, and Neptune, all of which dwarf the Earth.
穿过小行星带继续前进，我们进入了气体巨行星区域：木星、土星、天王星、海王星，所有这些都使地球看起来像个侏儒。
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