Scientists have discovered a neutron star spinning at an incredible rate of 716 times per second, making it one of the fastest-spinning objects ever observed in the universe. The discovery was made using NASA’s NICER X-ray telescope, designed to study dense and enigmatic celestial bodies like neutron stars. Neutron stars are the incredibly dense remnants of massive stars undergoing supernova explosions.
Despite being only about 12 miles in diameter, they can contain 1.4 times the mass of our Sun. The density of a neutron star is so extreme that it’s like compressing half a million times the Earth’s mass into a sphere just 12 miles across. The newly discovered neutron star, 4U 1820-30, is some 26,000 light-years away and part of a binary star system.
Astronomers find fastest-spinning neutron star
Its companion is a white dwarf, a sun-like star that has shed its outer layers and now exists as a dense core. The neutron star’s immense gravity pulls material away from the white dwarf, leading to spectacular thermonuclear blasts that forge heavy elements like gold and platinum.
Astrophysicist Gaurava K. Jaisawal from the Technical University of Denmark, a lead author on the research, said, “If future observations confirm this, the 4U 1820-30 neutron star would be one of the fastest-spinning objects ever observed in the universe.” The only other known object spinning this fast is another neutron star named PSR J1748–2446. Jerome Chenevez, a co-author of the research, described the intensity of the thermonuclear bursts: “During these bursts, the neutron star becomes up to 100,000 times brighter than the Sun, releasing an immense amount of energy.
By studying these extreme events in detail, we gain new insights into the life cycles of binary star systems and the formation of elements in the universe.
The findings, published in The Astrophysical Journal, shed new light on the fascinating dynamics and extreme environments of neutron stars. This groundbreaking research provides a deeper understanding of these incredible objects and the processes that shape our universe.
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