Hubble Spots a Storm of New Stars

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2 min read
Hubble Spots a Storm of New Stars

This NASA/ESA Hubble Space Telescope image features the spiral galaxy named NGC 1792.
ESA/Hubble & NASA, D. Thilker, F. Belfiore, J. Lee and the PHANGS-HST Team

This NASA/ESA Hubble Space Telescope image features a stormy and highly active spiral galaxy named NGC 1792. Located over 50 million light-years from Earth in the constellation Columba (the Dove), the bright glow of the galaxy’s center is offset by the flocculent and sparkling spiral arms swirling around it.
NGC 1792 is just as fascinating to astronomers as its chaotic look might imply. Classified as a starburst galaxy, it is a powerhouse of star formation, with spiral arms rich in star-forming regions. In fact, it is surprisingly luminous for its mass. The galaxy is close to a larger neighbor, NGC 1808, and astronomers think the strong gravitational interaction between the two stirred up the reserves of gas in this galaxy. The result is a torrent of star formation, concentrated on the side closest to its neighbor, where gravity has a stronger effect. NGC 1792 is a perfect target for astronomers seeking to understand the complex interactions between gas, star clusters, and supernovae in galaxies.
Hubble studied this galaxy before. This new image includes additional data collected throughout 2025, providing a deeper view of the tumultuous activity taking place in the galaxy. Blossoming red lights in the galaxy’s arms mark Hydrogen-alpha (H-alpha) emission from dense clouds of hydrogen molecules. The newly forming stars within these clouds shine powerfully with ultraviolet radiation. This intense radiation ionizes the hydrogen gas, stripping away electrons which causes the gas to emit H-alpha light. H-alpha is a very particular red wavelength of light and a tell-tale sign of new stars.

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Media Contact:
Claire Andreoli (claire.andreoli@nasa.gov)NASA’s Goddard Space Flight Center, Greenbelt, MD

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Last Updated

Dec 05, 2025

Editor

Andrea Gianopoulos

Location

NASA Goddard Space Flight Center

Related Terms

Hubble Space Telescope
Astrophysics
Astrophysics Division
Galaxies
Goddard Space Flight Center
Spiral Galaxies
Stars
The Universe

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