Astronomers observe faint light signals from stellar objects, study it intently, and try to understand what's behind these signals. In one case, the signals they detected masqueraded as an imminent supernova explosion. But more observations revealed a different reality.
Astronomers have identified the star AT 2016blu, located about 29 million light-years from Earth, as an object that, instead of preparing for a supernova explosion, presents a behavior...