New mystery about ‘Ring Nebula’ shock astronomers: Here’s why
New mystery about ‘Ring Nebula’ shocks astronomers: here’s why A new mystery about the colorful Ring Nebula has once again attracted attention in space. A huge bar of iron has been discovered lurking in the iconic Ring Nebula. The structure is enormous, hundreds of times the size of Pluto’s orbit, and contains a Mars-sized amount…

