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A Stellar Odd Couple at an Unusual Stage of Evolution
Millisecond pulsars are fascinating objects that serve as natural clocks in the Universe. They form by drawing material and angular momentum from a companion. This mass transfer can rapidly accelerate the companion's evolution to a white dwarf. Astronomers have detected a millisecond pulsar's white dwarf companion that appears to be observed just as the mass transfer completed. They can still see some of the debris.
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