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Dy

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DY, D. Y., Dy, or dy may refer to:

Science and technology

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Astronomy

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  • DY Persei, a variable star in the Perseus constellation
  • DY Persei variable, a subclass of R Coronae Borealis variables
  • DY Eridani, a triple star system less than 16.5 light years away from Earth

Businesses

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People

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Places

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Other uses

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See also

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