The upside-down orbits of a multi-planetary system

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https://www.sciencedaily.com/releases/2021/10/211027122107.htm

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Paper at Astronomy & Astrophysics:

https://www.aanda.org/articles/aa/full_html/2021/10/aa41527-...

Arxiv pre-print:

https://arxiv.org/abs/2110.14214