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Astronomers have found one of the universe's oldest star clusters in our own galaxy
by Michelle Starr
ScienceAlert Translate This Article
22 March 2019
On 22 March 2019 ScienceAlert reported:
After decades of research, an analysis of light has finally identified the age of an ancient star cluster in the Milky Way. It's called HP 1, and it's roughly 12.8 billion years old. That makes it one of the oldest ever found -- not just in the galaxy, but in the entire universe. HP 1 hangs out in the galactic bulge, and we've known about it for a while. But getting an accurate reading of its light signature -- its spectrum -- has proven complicated, due to the way our atmosphere distorts incoming light.
Global Good News service views this news as a sign of rising positivity in the field of science, documenting the growth of life-supporting, evolutionary trends.
But the ever-improving field of adaptive optics, technology that removes atmospheric distortion in real-time, has now enabled the most high-resolution observations of the cluster yet, using the Gemini South telescope in Chile. These observations are finally revealing HP 1's history.
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