Nova
Definition
n. A star that increases thousands of times in brightness and then fades
Synonyms
star, aster, supernova
Antonyms
non star
Sentences
I could see the beautiful nova in the sky from my bedroom window.
As I steer at the sky, searching for the moon, I saw something bright but then the nova faded into the darkness.
New Nova Star Explosion Observed in Constellation Delphinus