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NASA’s SpaceX Crew-9 to Conduct Space Station Research. Amendment 47: DRAFT F.12 Artemis IV Deployed Instruments Program Released for Community Comment.
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 …
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.