word
Pulsar
PUL-sar
ˈpʌl.sɑːrListen
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Syllable breakdown
PULsar
Dictionary meaning
A highly magnetized rotating neutron star that emits beams of electromagnetic radiation from its magnetic poles, observed as regular pulses of radio waves, X-rays, or gamma rays as the beam sweeps past Earth.
Examples
- The first pulsar was discovered in 1967 by Jocelyn Bell Burnell.
- Some pulsars spin hundreds of times per second, making them extraordinarily precise natural clocks.
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