Meaning: The comet was shining very brightly in the sky.
Choice of Words: Blazed means shone brightly and intensely. Comet is the object that shone brightly in the sky.
Alternative Expressions
The comet was as bright as the sun.
Meaning: This means that the comet was extremely bright and could be seen even during the day.
Choice of Words:The comet is the subject of the sentence and was is the verb. As bright as the sun is a simile that compares the brightness of the comet to the brightness of the sun.
The comet lit up the night sky.
Meaning: This means that the comet was so bright that it made the night sky look like it was on fire.
Choice of Words:The comet is the subject of the sentence and lit up is the verb. The night sky is the object of the verb.