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A Dead Sun Discovered by NASA

A Dead Sun Discovered by NASA

A citizen researcher working for NASA has found the earliest and coldest known white dwarf – an Earth-sized remnant of a Sun-like a celebrity which has died – ringed by debris and dust. Astronomers suspect this is often first known white dwarf with several dust rings. The personality, LSPM J0207+3331 or J0207, is forcing researchers to consider models of terrestrial systems and could help us acquire about the distant future of our system. This white dwarf is so obsolete that whatever process is feeding material in its rings must run on billions of timescales, stated John Debes, an astronomer at the Space Telescope Science Institute in Baltimore, working with NASA led by Backyard Worlds: Planet 9 job.

The majority of scientists that scientists have created to explain rings around white dwarfs work well up to about 100 million decades, so this celebrity is hard our assumptions of how planetary systems evolve, Debes added. The findings were announced in The Astrophysical Journal Letters. J0207 is located about 145 light years from the constellation Capricornus. White dwarfs gradually cool as they age, and Debes’s team calculated J0207 is about 3 billion years old, based on temperature over 5, 800 degrees Celsius.

Formerly, rings and dust discs had only been observed enclosing white dwarfs about one 3rd J0207’s age. J0207’s ring can even be multiple rings. Debes and his coworkers suggest there might be two unique components – one thin ring just at the point at which the celebrity’s tides break up the asteroids plus a circle closer to the white dwarf. Follow-up with future assignments such as NASA’s James Webb Space Telescope can help astronomers tease apart the ring’s constituent parts.

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