1-enthrall 吸引，迷住

Scientists were enthralled by biggest star explosion ever observed.

2-supernova 超新星

3-stellar 恒星

4-detect 探测

Scientists have observed the biggest supernova-stellar explosion-ever detected, the violent death of a huge star up to 100 times more massive than our sun in faraway galaxy.

5-to date 到目前为止

The supernova, releasing twice as much energy as any other stellar explosion observed to date, occurred about 4.6 billion light years from Earth in a relatively small galaxy.

6-astrophysicist 天体物理学家

7-merge 合并

Astrophysicists said two very massive stars-each about fifty times the sun's mass-may have merged to make one extremely massive star roughly 1,000 years before the explosion.

8-eject 喷出，喷射

9-shake off 摆脱

We found that the supernova was able to become so bright because of a powerful collision between the debris ejected by the explosion and a shell of gas shaken off by the star a few years earlier.

10-cool off 变凉

11-outshine 超过

When a massive star-more than eight times the mass of our sun-uses up its fuel, it cools off and its core collapses, triggering shock waves that cause its outer layer to explode so violently that it can outshine entire galaxies.