Stars near the Milky Way's galactic centre, called S-stars, orbit Sagittarius A* at very high speeds.
Notes on verification
Confirmed by multiple independent observational campaigns (ESO/GRAVITY/VLT, Keck/NIRC2) and peer-reviewed A&A publications converging on the same finding. [cascade flags: wikipedia_dropped_other_sources_exist | tier=silver indep_score=0.867 clusters=3 claim_tier=notable | framework convergence=partial (upstreams: ESO VLT/GRAVITY Collaboration astrometric monitoring, Keck Observatory NIRC2 monitoring (Peissker et al./UCLA Galactic Center Group)) — publishers independent, evidence may not be | kind=empirical eligibility=high]
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 (seed:space_and_astronomy)
- https://www.eso.org/public/news/eso0846/ (corroboration)
- https://www.aanda.org/articles/aa/full_html/2020/04/aa37813-20/aa37813-20.html (corroboration)
- https://www.sci.news/astronomy/s4716-star-10974.html (corroboration)