Assertion: dark matter's interaction | /r/HasProperty | gravitational
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Source sentences:
text: Dark matter is detected through its gravitational interactions with ordinary matter and radiation.
text: Astronomers discovered dark matter through its gravitational interactions with ordinary matter, suggesting that this is its main way of making its presence known in the universe.
text: Dark matter is detected through its gravitational interactions with ordinary matter and radiation.
text: Although dark matter can't be seen directly, its gravitational interactions with familiar matter leave unmistakable evidence for its existence.