How to detect a supernova – Samantha Kuula

查看完整課程: http://ed.ted.com/lessons/how-to-detect-a-supernova-samantha-kuula

Just now, somewhere in the universe, a star exploded. 實際上, a supernova occurs every second or so in the observable universe. 然而, we’ve never actually been able to watch a supernova in its first violent moments. Is early detection possible? Samantha Kuula details the science behind an early supernova warning system.

Lesson by Samantha Kuula, animation by Nick Hilditch.