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Vor 4 Tagen · 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.
- The Editors of Encyclopaedia Britannica
Vor 2 Tagen · Pulsars are neutron stars that emit pulses of radiation once per rotation. The radiation emitted is usually radio waves, but pulsars are also known to emit in optical, X-ray , and gamma-ray wavelengths.
- The Editors of Encyclopaedia Britannica
Vor 4 Tagen · Pulsars that emit radio waves “glitch” as they rotate – this seems to be caused by interruptions to swirling vortices inside these ultra-dense stars.
30. Apr. 2024 · Jocelyn Bell Burnell, British astronomer who discovered pulsars, the cosmic sources of peculiar radio pulses. In 1974 the Nobel Prize for Physics was awarded to Antony Hewish and Martin Ryle, who were credited with the discovery, and the omission of Bell Burnell caused controversy.
- The Editors of Encyclopaedia Britannica
Vor 2 Tagen · Dive into the mesmerizing universe of pulsars, the enigmatic beacons shining from the cosmos' extremes. This video uncovers the secrets of pulsars—collapsed,...
- 11 Min.
- Galactic Ride
Vor 4 Tagen · Pulsars are highly magnetized, rotating neutron stars emitting a beam of electromagnetic radiation. The most rapidly rotating pulsars, with rotation periods below 30 milliseconds, are known as...
Vor 3 Tagen · Roughly a year ago, astronomers announced that they had observed an object that shouldn't exist. Like a pulsar, it emitted regularly timed bursts of radio emissions. But unlike a pulsar, those...
