How To Use Gravitational interaction In A Sentence

• Astronomers speculate that M51's spiral structure is primarily due to its gravitational interaction with a smaller galaxy just off the top of this digitally sharpened image.
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• In fact gravitational interaction is about 10 times weaker than the electromagnetic.
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• Therefore, these mysterious matters are invisible, but astronomers know about their existence through the exploration of the gravitational interaction between them and ordinary matters.
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• Astronomers speculate that M51's spiral structure is primarily due to its gravitational interaction with a neighboring smaller galaxy.
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• Astronomers speculate that M51's spiral structure is primarily due to its gravitational interaction with a smaller galaxy just off the top of this digitally sharpened image.
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