Kapteyn's star and its planets likely came from a dwarf galaxy now merged with our Milky Way Galaxy.

This video simulation shows the merging and formation of the characteristic tidal streams of stars resulting from such a galactic merging event.

Credit: Victor Robles, James Bullock and Miguel Rocha from the University of California – Irvine / Joel Primack from the University of California - Santa Cruz.

Article: sci-news.com/astronomy/science-kapteyn-b-c-two-exoplanets-kapteyns-star-01965.html

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