nova in a sentence

Definition

NOVA: a transient astronomical event characterized by a sudden increase in brightness due to a stellar explosion.

A nova is a stellar explosion that temporarily increases a star's brightness.
The sudden appearance of a nova can be a spectacular event for astronomers.
Scientists study novae to understand better the life cycles of stars.
In folklore, a nova was often seen as an omen or a significant celestial event.
The discovery of a nova in a nearby galaxy excited the entire scientific community.