What’s a pulsar? Why does it pulse?
What’s a pulsar? Why does it pulse?
Jul 15, 2022
earthsky.org
Pulsar: A pulsar (pulsating star, on the model of quasar) is a highly magnetized rotating neutron star that emits beams of electromagnetic radiation out of its magnetic poles. This radiation can be observed only when a beam of emission is pointing toward Earth (similar to the way a lighthouse can be seen only when the light is pointed in the direction of an observer), and is responsible for the pulsed appearance of emission. Neutron stars are very dense and have short, regular rotational periods
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Pulsar: A pulsar (pulsating star, on the model of quasar) is a highly m…
5.9K views11 months ago
FacebookSpace Knowledge
On November 28, 1967, astronomers found the first pulsar. Discover more space history 👉 https://trib.al/lgYO3LS A pulsar is a super-dense star that rotates super fast. As the pulsar spins, it emits two beams of light in opposite directions. When astronomers look at a pulsar, it looks like a star that's flickering on and off at a steady, constant pace. The first pulsar was observed by Jocelyn Bell Burnell and Antony Hewish. They were looking at the constellation Vulpecula when they saw a star fl
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On November 28, 1967, astronomers found the first pulsar. Discover m…
1.3K viewsNov 26, 2024
FacebookSpace.com
11K views · 555 reactions | Astronomers found a pulsar hurtling...
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11K views · 555 reactions | Astronomers found a pulsar hurtli…
11.4K views3 weeks ago
FacebookNASA’s Goddard Space Flight Center
This is what a real distant pulsar sounds like! These sounds come from real radio waves emitted by the brightest pulsars in the sky, captured by some of the world’s largest radio telescopes. #pulsar #velastar #space #astronomy | Nikola Sagan
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This is what a real distant pulsar sounds like! These sounds come f…
87.8K views4 months ago
FacebookNikola Sagan
Pulsars are the most powerful magnets in the universe. A new simulation -- a “pulsar in a box” -- is giving scientists insights into the extreme physics of these spinning neutron stars. The simulation shows that most of the electrons (blue, with lighter shades representing higher energies) tend to race outward from the magnetic poles. But some medium-energy electrons scatter wildly, even heading back to the pulsar. The positrons (red) mostly flow out at lower latitudes, forming a relatively thin
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Pulsars are the most powerful magnets in the universe. A new si…
20K viewsOct 10, 2018
FacebookNASA’s Goddard Space Flight Center
Scientists reached a new frontier in understanding pulsars, the dense, whirling remains of exploded stars. 💥 The NICER X-ray instrument on the International Space Station produced the 1st dependable measurements of both the mass and size of a pulsar, including a surface map. It turns out these cores of dead stars can be weirder than we thought. NICER was built and is operated out of Goddard. Read more: https://go.nasa.gov/2PIWwlg | NASA’s Goddard Space Flight Center
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Scientists reached a new frontier in understanding pulsars, the dense…
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FacebookNASA’s Goddard Space Flight Center
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