Star clusters
Hubblecast 30: rebirth of an icon
September 9, 2009 · ESA/Hubble · NGC 5139 , Omega Centauri · Centaurus
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After more than three months of calibration and testing, the NASA/ESA Hubble Space Telescope is reopening its rejuvenated eyes to begin probing the Universe once again. Dr. J reveals the stunning new images and the fascinating science behind them.