The supernova left behind a mystery.

Meaning: After the star exploded, there were things that scientists didn't understand, like what happened to the star's core.

Choice of Words: Supernova is a big explosion in space. Left behind means that something was left after the explosion. Mystery is something that is difficult to understand or explain.

Alternative Expressions

Related Expressions

• Supernova sparked by core's fiery death throes.
• Supernova remnants form new stars and planets.
• The supernova was so bright it lit up the sky.
• The shock waves from the supernova created new stars.
• The remnants of the supernova formed a black hole.
• The supernova was a violent and beautiful event.
• He closed the door behind him as he left.
• Core discarded, seeds left behind.
• She left the past behind.
• Look left, look right, look left.