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Herschel science - sequence four

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Uploaded by on Nov 4, 2010

The first galaxies in our Universe were born as vast collections of star clusters. They would often collide and merge to form larger galaxies, until our Universe became the Universe of galaxies we see today. This animation shows the new galaxies being born as a result of collisions between smaller galaxies. Studying the formation and evolution of galaxies throughout cosmic history, back to 10 000 million years ago, is one of Herschel's primary objectives.

Credits: ESA (animation by Silicon Worlds) and © 2008 John Dubinski, University of Toronto

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