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dark matter
noun
: nonluminous matter not yet directly detected by astronomers that is hypothesized to exist to account for various observed gravitational effects
Example Sentences
Recent Examples on the Web There was always a dark matter cloud hovering over my every move through my days navigating the mental health challenge of bipolar disorder. 
Alex Wagner, SPIN, 1 Sep. 2022 The Standard Model also said nothing about dark matter or dark energy—two mysterious phenomena that account for more than 95 percent of mass in the universe. Daniel Garisto, Scientific American, 27 Apr. 2022 Invisible substances known as dark matter and dark energy seem to make up some 95% of the content of the universe. Quanta Magazine, 23 Feb. 2022 Rojas plans to study how primitive galaxies were distributed across the sky and whether mysterious stuff called dark matter helped shape the nascent universe. Sumeet Kulkarni, Los Angeles Times, 25 July 2022 Lead: In a former gold mine a mile underground, inside a titanium tank filled with a rare liquified gas, scientists have begun the search for what has been unfindable: dark matter. From Usa Today Network And Wire Reports, USA TODAY, 18 July 2022 In addition to failing to incorporate gravity, the Standard Model also doesn’t offer up an explanation for the massive amounts of dark energy and dark matter that make up 95 percent of the universe, according to NASA. Sarah Wells, Popular Mechanics, 29 July 2022 The Standard Model is silent about dark matter and even the force of gravity. Marcela Carena, Scientific American, 5 July 2022 This fossil galaxy from the early Universe may help astronomers understand how galaxies form and whether theories about dark matter are correct. Jamie Carter, Forbes, 1 July 2022 See More
Alex Wagner, SPIN, 1 Sep. 2022 The Standard Model also said nothing about dark matter or dark energy—two mysterious phenomena that account for more than 95 percent of mass in the universe. Daniel Garisto, Scientific American, 27 Apr. 2022 Invisible substances known as dark matter and dark energy seem to make up some 95% of the content of the universe. Quanta Magazine, 23 Feb. 2022 Rojas plans to study how primitive galaxies were distributed across the sky and whether mysterious stuff called dark matter helped shape the nascent universe. Sumeet Kulkarni, Los Angeles Times, 25 July 2022 Lead: In a former gold mine a mile underground, inside a titanium tank filled with a rare liquified gas, scientists have begun the search for what has been unfindable: dark matter. From Usa Today Network And Wire Reports, USA TODAY, 18 July 2022 In addition to failing to incorporate gravity, the Standard Model also doesn’t offer up an explanation for the massive amounts of dark energy and dark matter that make up 95 percent of the universe, according to NASA. Sarah Wells, Popular Mechanics, 29 July 2022 The Standard Model is silent about dark matter and even the force of gravity. Marcela Carena, Scientific American, 5 July 2022 This fossil galaxy from the early Universe may help astronomers understand how galaxies form and whether theories about dark matter are correct. Jamie Carter, Forbes, 1 July 2022 See More Word History
First Known Use
1933, in the meaning defined above
Time Traveler
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