NASA discovers rare neutron star outside of Milky Way and releases a stunning image of it

PTI
2018-06-02 | Since 2 Year

NASA discovers rare neutron star outside of Milky Way and releases a stunning image of it

NASA scientists have discovered a special kind of neutron star for the first time outside of the Milky Way galaxy and released a stunning image of the stellar body located 200,000 light years from Earth.


Neutron stars are the ultra-dense cores of massive stars that collapse and undergo a supernova explosion. The newly identified neutron star, discovered using data from NASA’s Chandra X-ray Observatory and the European Southern Observatory’s Very Large Telescope (VLT) in Chile, is a rare variety that has both a low magnetic field and no stellar companion. The neutron star is located within the remains of a supernova — known as 1E 0102.2-7219 (E0102) — in the Small Magellanic Cloud, located 200,000 light years from Earth.

A new composite image of E0102 allows astronomers to learn new details about this object that was discovered more than three decades ago. Oxygen-rich supernova remnants like E0102 are important for understanding how massive stars fuse lighter elements into heavier ones before they explode. Seen up to a few thousand years after the original explosion, oxygen-rich remnants contain the debris ejected from the dead star’s interior. This debris is observed today hurtling through space after being expelled at millions of miles per hour. Chandra observations of E0102 show that the supernova remnant is dominated by a large ring-shaped structure in X-rays, associated with the blast wave of the supernova.


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