Astronomers observe a star that quietly transformed into a black hole - KSL News

Astronomers observe a star that quietly transformed into a black hole  KSL NewsScientists get clearest view ever of star collapsing into a black hole. And they very nearly missed it  BBC Sky at Night MagazineBlack hole is born with an infrared whimper  Physics WorldAstronomers witness vanishing star collapse into a black hole in Andromeda galaxy  SpaceScientists Capture the Clearest View Yet of a Star Collapsing Into a Black Hole  Columbia Univer