A star died violently and left behind this ‘fluffy’ ball
Recently, NASA took another look at SN 1572 using the 20-year-old, still functioning Chandra X-ray Observatory. Scientists were keen to figure out what caused the lumpy knots and threads that make it look like a giant dust bunny.SN 1572 exploded in what's called a Type 1a supernova that happens when a dense white dwarf star…