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x-ray burster

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noun Astronomy.
a celestial source from which bursts of x-rays are received.
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QUIZ YOURSELF ON "WAS" VS. "WERE"!
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“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.
Also called burster.

Origin of x-ray burster

First recorded in 1975–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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