Mysterious object may be the heaviest neutron star ever seen

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

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