Pulsars are the collapsed remnants of massive stars that went supernova. Spinning at dizzying speeds, they emit beams of radio waves (and sometimes X-rays or gamma rays) from their magnetic poles. As these beams sweep past Earth, we detect them as precise pulses, sometimes hundreds of times per second.

cropped Spider pulsar 1 pspwebpContinue Reading

cropped Spider pulsar 1 pspwebp

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