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Galaxies Grow from Inside Out
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Galaxies Grow from Inside Out

Evidence from NASA Wide-field Infrared Survey Explorer and Galaxy Evolution Explorer missions provide support for the inside-out theory of galaxy evolution, which holds that star formation starts at the core of the galaxy and spreads outward.

Date
2013-10-31
Photographer / author
NASA/JPL-Caltech
Collection
JPL
Archive
NASA Image and Video Library
Type
photograph

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Reason: a NASA work: not copyrighted in the United States.

Read from: NASA media usage guidelines: NASA material is not copyrighted in the US unless noted; no third-party credit or mark found.

Credit line

"Galaxies Grow from Inside Out" (2013-10-31). NASA/JPL/NASA/JPL-Caltech. Public domain. https://images.nasa.gov/details/PIA17554

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