Assertion: supernova | /r/CapableOf | become bright
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Source sentences:
text: 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,” said Nicholl, lead author of the study published this week in the journal Nature Astronomy.
text: 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," said Nicholl, lead author of the study published this week in the journal Nature Astronomy.