But certain stars, called pulsars, give off regular pulses of radio waves.

但有些恒星，所谓的脉冲星，会有规律地发出射电波脉冲。

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For example, spinning neutron stars called pulsars emit clocklike streams of electromagnetic pulses.

例如，被称为脉冲星的自旋中子星发射出像钟摆一样的电磁脉冲。

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The captured positrons might also have been produced inside stars called pulsars, Ting said, though so far the evidence points to dark matter explosions.

FORBES: Experiment May Have Found Dark Matter, The Key To A Cosmic Mystery