但很快这个假超新星被科学家识破了——它是一个大质量恒星的非致命性的爆炸，只是看起来像一次非凡的超新星爆炸。
But it was soon unmasked as a supernova impostor - a nonfatal outburst from a massive star that only looks like a full-blown supernova .
假超新星