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binary pulsar

noun

, Astronomy.
  1. a pulsar in a binary system.


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Example Sentences

In the same year, it was used in the discovery of the first known binary pulsar, whose change in orbital period provided the first indirect evidence for gravitational waves — the ripples in space-time predicted by Albert Einstein.

From Nature

Opened in 1963, Arecibo is a multipurpose facility that can function as a passive radio telescope for astronomy: It was used in the Nobel Prize–winning discovery of the first binary pulsar in 1974.

As the years went by, the scientists found that this 'binary pulsar' was losing energy and spiralling inwards exactly as predicted by Einstein's theory.

From Nature

The signal also provided researchers with the first empirical test of general relativity beyond regions — including the space around the binary pulsar — where there is comparatively little space-time warping.

From Nature

This controversy lasted into the early 1980s and coincided with the discovery of the binary pulsar which was a real-life system whose orbit was decaying in line with the predictions of Einstein's formula.

From US News

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binary oppositionbinary star