An artist's impression shows a jet of matter spewing from a black hole.
An artist's impression of a tidal disruption event. New research suggests that, contrary to what was previously thought, black holes can spew remnants of stars years after swallowing them.
  • 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.