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NGC 6624 cluster's advanced age in razor-sharp focus

An international team of astronomers, using the Gemini Multi-conjugate adaptive optics System (GeMS) and the high resolution camera GSAOI, brought the ancient globular cluster NGC 6624 into razor-sharp focus and determined its age with very high accuracy—a challenging observation even from space. In addition to producing a beautiful image, this work will ultimately help astronomers to better understand the formation and evolution of our Galaxy during its earliest development when the Universe was less than two billion years old.
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