2023-11-04 12:50:00
A huge nebula reminiscent of a ‘ghost hand’ was observed in the distant universe. According to space.com, an aerospace media outlet, on the 1st (local time), the National Aeronautics and Space Administration (NASA) has launched the latest X-ray telescope ‘IXPE’ and A photo of the nebula ‘MSH 15-52’ observed by the veteran observation ship ‘Chandra’ has been released. MSH 15-52 is a ‘pulsar wind nebula’ that is a nebula in space 16,000 light-years away from Earth and was created by the death of a massive star. .
Rotating neutron stars with strong magnetic fields (extremely dense stars formed when a giant star undergoes a supernova explosion), or ‘pulsars’, provide high-energy conditions that cannot exist on Earth. Pulsars are characterized by powerful ejections of charged particles and creating powerful winds that form the ‘pulsar wind nebula’. When this nebula was observed with the Chandra Telescope in the past, the nebula looked uniquely like a ‘hand’, but the exact flow was not confirmed. . However, the research team said that by adding data from IXPE, the latest X-ray telescope, they were able to understand the flow that created this unique appearance.
<'MSH 15-52'을 (왼쪽부터) 찬드라, IXPE, 적외선 카메라로 촬영한 사진. 사진=NASA/CXC/Stanford Univ./R. Romani et al.>
The research team divided this nebula into three parts: ‘palm’, ‘finger’, and ‘wrist’. Roger Romani of Stanford University in California, the lead author of the paper, explained, “The amount of polarization is significantly high in a large area, which suggests that there is almost no turbulence in that area.” He continued, “In ‘Finger,’ “A straight and uniform magnetic field was created,” he said. “On the other hand, ‘energy rise’ was observed in the particles in complex areas. “This can be seen in the distinct and bright X-ray jet near the ‘wrist,’” he added. E-Newspaper Internet Reporter Seo Hee-won [email protected]
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