Pulsar - Wikipedia
网页A pulsar (from pulsating radio source) [1][2] is a highly magnetized rotating neutron star that emits beams of electromagnetic radiation out of its magnetic poles. [3] .
What are pulsars? | Space
网页2023年1月24日 · Pulsars are 'cosmic lighthouses' that when seen from Earth appear to be flickering stars, but actually consist of exotic stellar remnants called neutron stars.
Pulsar | Cosmic Object, Neutron Star, Radio Wave Emission
网页2024年8月15日 · Pulsars are rapidly spinning neutron stars, extremely dense stars composed almost entirely of neutrons and having a diameter of only 20 km (12 miles) or less. Pulsar masses range between 1.18 and 1.97 times that of the Sun, but most pulsars have a mass 1.35 times that of the Sun.
What are pulsars? - Live Science
网页2022年5月24日 · A pulsar is a special kind of neutron star, which is the ultra-dense leftover core of a massive star. Pulsars emit beams of radiation that sweep out in circles as the pulsar spins. When those...
Pulsars - NASA
网页Pulsars - NASA. NASA Earth Scientists Take Flight, Set Sail to Verify PACE Satellite Data. What’s Up: September 2024 Skywatching Tips from NASA. NASA Invites Social Creators to Experience Launch of Europa Clipper Mission.
What Is A Pulsar And How Are They Formed? - Little Astronomy
网页2023年1月7日 · Pulsars are a type of neutron star that “pulses” a beam of electromagnetic radiation as it rotates rapidly. Pulsars are formed after a massive star explodes in a supernova and only its dead core (a neutron star) remains. All pulsars are neutron stars but not all neutron stars are pulsars.
NASA Continues to Study Pulsars, 50 Years After Their Chance ...
网页2017年8月1日 · A little bit of “scruff” in scientific data 50 years ago led to the discovery of pulsars – rapidly spinning dense stellar corpses that appear to pulse at Earth. Astronomer Jocelyn Bell made the chance discovery using a vast …
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