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A small, isolated galaxy on the outskirts of the universe is challenging conventional understanding of how stars are born. NGC 6789, a dwarf galaxy residing in the vast emptiness of the ‘Local Void’, is forming new stars at a remarkable rate, despite showing no signs of galactic collisions or gas accretion, processes traditionally considered essential for star formation.

Astronomers from Spain, led by Ignacio Trujillo of the University of La Laguna, used the Two-Meter Twin Telescope (TTT3) to capture deep optical images of NGC 6789. Their findings, shared on November 10 via the arXiv preprint server, reveal that the galaxy’s star-forming activity is concentrated at its core, while its outer regions retain a pristine, red elliptical structure.

The outer regions of

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