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NASA detects enormous 'coronal hole' on Sun's South Pole
A giant dark hole has appeared on the sun’s flaming surface, a recently-taken NASA picture has revealed. So far, scientists are stumped by why this spectacular phenomenon, known as a “coronal hole,” occurs.
“The Sun starts 2015 with an enormous coronal hole near the South Pole,” scientists of NASA’s Solar Dynamics Observatory wrote in their blog, having posted a picture of the flaming...
Scientists now know how fast a black hole spins
For the first time ever, scientists have been able to measure the precise spin rate of a ‘supermassive black hole’. The findings will provide some clue as to how some of the most mysterious objects in our universe began to form.
The black hole is located in the NGC 1365 galaxy, located 56 billion light years away from us, and two million times the mass of the Sun.
By its very nature, a...
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