Mysterious object may be the lightest black hole we’ve ever seen

A dense object about 40,000 light years away is lighter than any black hole seen before, but heavier than any neutron star, leaving astronomers unsure what they are looking at

​A dense object about 40,000 light years away is lighter than any black hole seen before, but heavier than any neutron star, leaving astronomers unsure what they are looking at A dense object about 40,000 light years away is lighter than any black hole seen before, but heavier than any neutron star, leaving astronomers unsure what they are looking at