Ancient stars, of a type known as RR Lyrae, have been discovered in the centre of the Milky Way for the first time, using ESO’s infrared VISTA telescope. RR Lyrae stars typically reside in ancient stellar populations over 10 billion years old. Their discovery suggests that the bulging centre of the Milky Way likely grew through the merging of primordial star clusters. These stars may even be the remains of the most massive and oldest surviving star cluster of the entire Milky Way.
The release, images and videos are available on:
http://www.eso.org/public/news/eso1636/
Kind regards,
The ESO Education and Public Outreach Department
12 October 2016
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11 October 2016: Seven years ago, ESO uploaded its first video to YouTube, about the discovery of the first Earth-like world in the habitable zone of a distant star. It seems fitting then ...
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