Scientists have observed the immediate aftermath of a supernova for the first time, detecting a brilliant display of light from the death of a red supergiant star just 3 hours after it exploded."Until several years ago, catching a supernova even a week after explosion was regarded as early," astrophysicist Ofer Yaron from the Weizmann Institute of Science in Israel told ResearchGate.
"This is not the case anymore, and with new wide-field automated and fully robotic sky surveys, we have begun catching events a day or less after explosion."
http://www.sciencealert.com/scienti...-beginnings-of-a-supernova-for-the-first-time
"This is not the case anymore, and with new wide-field automated and fully robotic sky surveys, we have begun catching events a day or less after explosion."
http://www.sciencealert.com/scienti...-beginnings-of-a-supernova-for-the-first-time
