Stars near the Milky Way's galactic centre, called S-stars, orbit Sagittarius A* at very high speeds.
Sources
- Scientists thought there was a black hole at the centre of our Galaxy. It turns out it may be something even stranger | BBC Sky at Night Magazine (skyatnightmagazine.com)
- https://www.eso.org/public/news/eso0846/ (eso.org)
- https://www.aanda.org/articles/aa/full_html/2020/04/aa37813-20/aa37813-20.html (aanda.org)
- https://www.sci.news/astronomy/s4716-star-10974.html (sci.news)
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