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Galaxy Building Blocks

Galaxy Building Blocks

Depicts: Proto Galaxy
Copyright: Rogier Windhorst and Sam Pascarelle (Arizona State University) and NASA

These 18 small blue objects - each 11 billion light-years from Earth - could be the seeds of some of today's galaxies. Each clump contains several billion stars. Astronomers believe that many of these objects have collided and merged with each other over time to grow into the giant and luminous galaxies seen around us today.
Last Update: 1 September 2019
22-May-2024 04:14 UT

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