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Alien State of Matter Found at Neutron Star Core of Cassiopeia A.

“Evidence for a bizarre state of matter was identified in the dense core of an extinct star, a so-called neutron star, based on cooling observed over a decade of Chandra observations. NASA’s Chandra X-ray Observatory discovered the first direct evidence for a superfluid, a bizarre, friction-free state of matter, at the core of Cassiopeia A.
Superfluids created in laboratories on Earth exhibit remarkable properties, such as the ability to climb upward and escape airtight containers. The finding has important implications for understanding nuclear interactions in matter at the highest known densities.

Neutron stars contain the densest known matter that is directly observable. One teaspoon of neutron star material weighs six billion tons. The pressure in the star’s core is so high that most of the charged particles, electrons and protons, merge resulting in a star composed mostly of uncharged particles called neutrons.
Two independent research teams studied the supernova remnant Cassiopeia A, or Cas A for short, the remains of a massive star 11,000 light years away that would have appeared to explode about 330 years ago as observed from Earth. Chandra data found a rapid decline in the temperature of the ultra-dense neutron star that remained after the supernova, showing that it had cooled by about four percent over a 10-year period.”
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Alien State of Matter Found at Neutron Star Core of Cassiopeia A.


Evidence for a bizarre state of matter was identified in the dense core of an extinct star, a so-called neutron star, based on cooling observed over a decade of Chandra observations. NASA’s Chandra X-ray Observatory discovered the first direct evidence for a superfluid, a bizarre, friction-free state of matter, at the core of Cassiopeia A.

Superfluids created in laboratories on Earth exhibit remarkable properties, such as the ability to climb upward and escape airtight containers. The finding has important implications for understanding nuclear interactions in matter at the highest known densities.

Neutron stars contain the densest known matter that is directly observable. One teaspoon of neutron star material weighs six billion tons. The pressure in the star’s core is so high that most of the charged particles, electrons and protons, merge resulting in a star composed mostly of uncharged particles called neutrons.

Two independent research teams studied the supernova remnant Cassiopeia A, or Cas A for short, the remains of a massive star 11,000 light years away that would have appeared to explode about 330 years ago as observed from Earth. Chandra data found a rapid decline in the temperature of the ultra-dense neutron star that remained after the supernova, showing that it had cooled by about four percent over a 10-year period.”

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, #Cassiopeia A #science #astronomyfacts #Neutron Star #NASA #astronomy
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