An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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Crab pulsar
  پولسار ِ خرچنگ، تپار ِ ~  
pulsâr-e xarcang (#), tapâr-e ~ (#)
Fr.: pulsar du Crabe  

A → pulsar discovered in the center of the → Crab nebula in 1969. It is a highly magnetized → neutron star with a radius of 10-15 km that spins 30 times a second.

See also: → crab; → pulsar.