Astronomers just spotted a massive iron “bar” floating in the Ring Nebula, and it might be a sneak peek at what happens to Earth when our sun dies. Theories range from it being leftover star guts to the remains of a planet that got obliterated. Either way, it’s wild to think our planet could end up as space debris like this in a few billion years. Mind = blown! #Science #SpaceMystery #RingNebula