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The fastest spinning neutron star that we've found so far is XTE J1739-285, which spins 1122 times every second. It was found by NASA's Rossi X-Ray Timing Explorer (RXTE) satellite. The most rapidly spinning pulsar, however, remains PSR J1748 2446ad, which spins 716 times a second. This pulsar was found by a team at Montreal's McGill University.
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Why are neutron stars so heavy?
Neutron stars are so heavy because they are the compact core of a star that is 8 time the mass of our Sun. The most massive neutron stars possible are 3 times the mass of our Sun.
What is formed in a supernova?
Depending on the mass of the original star, a supernova explosion may cause a neutron star (for medium to large stars) or a black hole (for large or very large stars). If the original star was rotating fairly rapidly, the neutron star may be a "pulsar", the name given to a rapidly spinning neutron star that emits pulses of X-rays. "Rapidly" spinning in this case is upwards of three revolutions per second.
Why do neutron star spin so rapidly?
Most stars spin (albeit is very slowly), but when the star starts to shrink it will speed up due to conservation of angular momentum. Moreover because a neutron star is so very heavy it takes a long time for it to slow down (breaking can occur via magnetic fields for example). You can test this principle yourself by sitting into an office chair, spreading your arms, and have someone give you a good whirl. You will find that while spinning you will spin faster if you pull your arms inwards and slower if you put them out again.
What is the chemical composition of most stars?
Most stars are composed primarily of hydrogen and helium, with hydrogen making up about 75% of their mass and helium about 25%. The remaining elements in stars are present in trace amounts, including carbon, oxygen, nitrogen, and other heavier elements.
Which are the two most popular candidates for gamma-ray bursters?
The two most popular candidates for gamma-ray bursters are neutron star mergers and massive star collapses (supernovae). Neutron star mergers occur when two neutron stars merge, releasing a burst of gamma rays. Massive star collapses result in a supernova explosion and can also produce gamma-ray bursts.
What is the difference between a galaxy and a pulsar?
A galaxy is a massive collection of stars, most orbiting around a supermassive black hole.A pulsar is a rapidly rotating neutron star that emits a beam of electronic radiation.See related questions.
Why are neutron stars so heavy?
Neutron stars are so heavy because they are the compact core of a star that is 8 time the mass of our Sun. The most massive neutron stars possible are 3 times the mass of our Sun.
Why are neutron stars weird?
because all stars are different than others and most stars will be weird ... just like this question.
What Create most of the elements on the periodic table?
Stars - by nuclear fusion, by supernova explosions, and by colliding neutron stars.
Why don't we use visible-wavelength telescopes to locate neutron stars?
A neutron star emits most of its energy at higher frequencies.
How did neutron stars get its name?
The name "neutron star" some from the fact that the neutron star is mainly composed of neutrons. The gravitational pull of a neutron star is so strong that most matter are crushed into neutrons.
Do all stars that become supernovae leave behind a neutron star?
No. The most massive stars will leave behind a black hole.
What do most tornadoes have in them?
All tornado contain rapidly rotating winds. Most tornadoes contain a condensation funnel and a whirl of dust and/or debris.
What is formed in a supernova?
Depending on the mass of the original star, a supernova explosion may cause a neutron star (for medium to large stars) or a black hole (for large or very large stars). If the original star was rotating fairly rapidly, the neutron star may be a "pulsar", the name given to a rapidly spinning neutron star that emits pulses of X-rays. "Rapidly" spinning in this case is upwards of three revolutions per second.
Why are neutron stars very heavy?
Heavy is a nebulous term. Neutron Stars would weigh no more than any other object of equivalent mass. (One ton of feathers weighs as much as one ton of bricks.) The difference is that neutron stars are much denser than most other forms of matter. This increased density comes from the fact that neutron stars are created from the collapse of a much larger star into a much smaller space on account of gravity.
Do neutron stars have pulsars?
(Quotation from "The Young Oxford Book of Astronomy" Simon and Jacqueline Mitton)"In the intense Magnetic Field of a Neutron star, spiraling electrons generate radio waves that are beamed out like a searchlight. The star spins rapidly, swinging the radio beam across our line of sight, like a lighthouse. Some Pulsars emit light, X-rays and gamma rays as well as Radio waves. The slowest pulsars have pulses about four seconds apart but the most rapid repeat in a matter of milliseconds."Which basically tells you that neutron stars can be pulsars, and the pulsar is not an individual part of a neutron star.
Are some stars about as small as earth?
Yes, there are even stars smaller than earth. Most are collapsed ancient stars that have become neutron stars and have masses slightly larger than our sun currently has.
