noun
a word used to identify any of a class of people, places, or things
adjective
a word that describes or gives more information about a noun
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The detection of gravitational waves confirmed a major prediction of Albert Einstein's general theory of relativity.
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Scientists were super excited when they finally detected those gravitational waves.
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Gravitational waves are like ripples in the fabric of spacetime.
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The discovery of gravitational waves opened up a whole new dimension in our understanding of the universe.