Fomalhaut

American  

[foh-muhl-hawt, -muh-loh] / ˈfoʊ məlˌhɔt, -məˌloʊ /

noun

Astronomy.

1. a star of the first magnitude and the brightest star in the constellation Piscis Austrinus.

---

Fomalhaut British  

/ ˈfəʊməˌləʊt /

noun

1. the brightest star in the constellation Piscis Austrinus, possessing a protoplanetary disc. Distance: 25 light years. Spectral type A3V

---

Etymology

Origin of Fomalhaut

First recorded in 1585–95; from Spanish Arabic fam al-ḥawt “mouth of the fish”; so called from its position in the constellation Piscis Austrinus ( Latin , literally “southern fish”)

Example Sentences

Yet astronomers have now identified evidence of two enormous collisions around a nearby star named Fomalhaut, all within just 20 years.

From Science Daily • Jan. 7, 2026

This marked the first time an exoplanet had been directly imaged at optical wavelengths, and it was named Fomalhaut b following standard naming rules.

From Science Daily • Jan. 7, 2026

The cloud is already about 30% brighter than Fomalhaut cs1, and observations in August 2025 confirmed that cs2 remains visible.

From Science Daily • Jan. 7, 2026

Wyatt estimates that roughly 300 million planetesimals of similar size orbit Fomalhaut.

From Science Daily • Jan. 7, 2026

"Lieutenant Jervis, will you tell the crew exactly what happened on Fomalhaut V?"

From The Judas Valley by Garrett, Randall