Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The 2025 study argued that the peak brightness of these supernovae changes as the universe ages.

From Science Daily • Jun. 13, 2026

The new analysis found that the problem was not with the supernovae themselves, but with how their ages had been estimated.

From Science Daily • Jun. 13, 2026

These rare explosions can shine at least 10 times brighter in visible light than ordinary supernovae.

From Science Daily • May 27, 2026

Scientists have long debated what gives superluminous supernovae their extraordinary brightness.

From Science Daily • May 27, 2026

Novae occur only in binary systems and are powered by hydrogen fusion; supernovae occur in single stars and are powered by silicon fusion.

From "Cosmos" by Carl Sagan