An amateur astronomer, good timing and a plucky companion star have come together to provide a first for scientists - watching a supernova become a black hole-like object.
Missing link found: Supernovae give rise to black holes or neutron stars israelnationalnews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from israelnationalnews.com Daily Mail and Mail on Sunday newspapers.