1,800 years later, the remains of a cosmic object once called a “guest star” by ancient Chinese astronomers have been recorded by American scientists in a ghostly blood-red light.
According to Live Science, scientists from the US National Science Foundation’s NOIRLab have just presented their work to the public. Spectacular image of SN 185a frightening and magical blood-red “ghost” appears in the sky between the constellations Virgo and Sagittarius.
SN 185 is not a new object, but that once lit up Earth’s skies 1,800 years agodescribed by American scientists as “rising from the cosmic grave”.
The ‘star’ from the dead was observed by the Chinese in the past
The “star” from among the dead that the Chinese observed in the past is nothing more than a dark and mysterious red ghost – (Photo: NOIRLab).
It is one of the objects that has held the longest attention of scientists in the world. In 185 AD, Chinese history recorded the sudden appearance of a strange object as bright as a star in a new location where there were no stars before, lighting up Earth’s night sky, then slowly fading over a year before disappearing completely.
They call it that “Guest star”.
But modern astronomers confirm that it is indeed The first supernova recorded by humanity. It is indeed a star, but a star that has reached the point of death, exploding 8,000 light years from Earth.
What remains of the supernova is now very thin and faint. To capture it, scientists used the dark energy camera mounted on the NOIRLab telescope located in Chile, compared historical records for SN 185, then greatly enlarged the image to detect and admire it.
SN 185 has also been identified as one of the Type Ia supernovae are rare, one of the brightest supernovae in the universe and explodes much faster than the usual Type II. This happens to a star that dies twice: the first time it becomes a white dwarf, then the white dwarf continues to swallow matter from a companion star until its core has critical mass, causing a powerful nuclear explosion.
Article source: NLD
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About 1,800 years later, the remains of a cosmic object once called a “guest star” by ancient Chinese astronomers were discovered by scientists…
