# Population II

> English word · Proper noun

## Definitions
1. A population or group of stars formed early in the history of the Universe, characterized by having a low metallicity.

## Etymology
Proposed by astronomer Walter Baade in 1944.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/population-ii