HubbleSite NASA's Hubble Space Telescope Peers Far Back in Time to Uncover the Secrets of Galaxy Evolution

[Space Telescope Science]

Looking far away and far back in time, NASA's Hubble Space Telescope (HST) has found some suspected ancestors of today's galaxies. The Hubble pictures reveal that star-forming galaxies were far more prevalent in the clusters of the younger universe than in modern clusters of galaxies near us today.

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