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Saturday, September 17, 2016

An Earth-sized Diamond revealed the mystery of our sun future

We all already know that diamonds are rare on Earth, but very abundant in the universe. One of them was a giant chunk of the estimated weighing reach 10 billion trillion trillion carats (the numeral one followed by 34 zeros), which is in the constellation Centaurus.

The researchers team of Harvard-Smithsonian Center for Astrophysics in Massachusetts which has long found its existence, calling it a mass of crystallized carbon. Then the astronomers decided to give the name of 'Lucy', the idea was taken from a Beatles song titled 'Lucy in the Sky with Diamonds.'
An Earth-sized diamond has been discovered by astronomers and providing proof our own Sun will one day also become a planet sized gemstone. (Picture from: http://adf.ly/1e0wZ0)
It actually was a white dwarf from a star named BPM 37093, which has the size of the Sun that later die due to run out of fuel to sustain its nuclear reactions. The white dwarf is considered as the end point of the evolution of stars and the cores of stars where the fusion reaction takes place. Or in other words, the final form after the star burned out aka died. And white dwarfs comprise the majority of carbon. 
The scientists found that a white dwarf near the constellation Centaurus, BPM 37093, was made of crystallized carbon weighing 10 billion trillion trillion carats. (Picture from: http://adf.ly/1e0wcT)
Those white dwarf is still hot and pulsates, but over time the carbon to crystallize into a diamond. What is remarkable, the white dwarf is also ring like a gigantic gong, which allows the team of scientists to measure and investigate it.

"By measuring the pulse, we can study the interior of which is hidden from the white dwarf, just like seismograph measurements allow experts geologists study the interior of the Earth," said a leading astronomer Travis Metcalfe, as quoted by the Daily Express on Friday, September 9, 2016.
A white dwarf remains hot and pulsates but over time the carbon crystalises into diamond. (Picture from: http://adf.ly/1e0wZ0)
"We know that the carbon interior of the white dwarf has solidified and formed in the galaxy's largest diamond," he said.

In the future, the Sun is expected to be about the size of the white dwarf BPM 37093, after the Sun died is about 5 billion years from now. About two billion years later, the core of the Sun will be crystallized, making it becoming a giant diamond in the center of the Solar System. "Sun will become adiamond - immortal," said Metcalfe.

Previously, scientists also ever found another chunk of diamond in space, named PSR J2222-0137, which is located somewhere near the constellation Aquarius which has a distance of 900 light years from Earth.

The bodies of these faint stars is so cold, that makes all the carbon crystallizes. Or effectively form an Earth-sized giant diamond. "It is a remarkable object," said the study leader David Kaplan, a professor of University of Wisconsin-Milwaukee in a statement issued by the National Radio Astronomy Observatory (NRAO), as quoted of SPACE. *** [EKA | FROM VARIOUS SOURCES | DAiLY EXPRESS | SPACE.COM]
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