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TAP-TAP-TAP-TAP it went, with the peculiar quickness due to the planet's powerful gravity.
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His whole face looked like it was under the pull of a powerful gravity.
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The sea pounded against the cliffs with huge waves churned up by the powerful gravity of Gopus overhead.
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Unable to maintain a stable orbit while being buffeted by the Sun's powerful gravity, it crashed into the planet.
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The black tower floated stately and serenely, suspended on its four powerful gravity subtraction engines, high above the forested valley below.
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It's also larger, and hence has a more powerful gravity, which is why the hoppers can make such enormous leaps so easily on earth.
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Unlike most astronomy software that just shows you what the sky looks like or where the planets are, Universe Sandbox is a powerful gravity simulator.