"One thing popped out as clear as anything, this previously unknown 'bar' of ionized iron atoms, in the middle of the familiar and iconic ring."

Astronomers discover an enormous iron bar in the famous Ring Nebula: 'We definitely need to know more'

Source: space
Source Link: https://www.space.com/astronomy/stars/astronomers-discover-an-enormous-iron-bar-in-the-famous-ring-nebula-we-definitely-need-to-know-more