NASA's Goddard Space Flight Center/CI Lab
- Black holes have been spotted spitting up remnants of stars years after gobbling them up.
- The finding is confusing astronomers, as it doesn't fit with what we know about black holes.
- This could change what we think happens when a black hole swallows a star.
Black holes can burp up remnants of stars years after destroying them, and no one knows why, a study has found.