What is the answer to "Product of cosmic ray collisions" in the Newsday Crossword?

The answer to the Newsday Crossword clue "Product of cosmic ray collisions" is ANTIMATTER (10 letters).

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Product of cosmic ray collisions Newsday Crossword Clue

Down clue · from the December 27, 2025 puzzle

Stuck on “Product of cosmic ray collisions” from the Newsday Crossword? Here is the verified answer:

Answer

ANTIMATTER

10 letters · Down · last seen December 27, 2025

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