metal-poor-star-orbits
Illustration of the orbits of the ancient stars in the heart of the Milky Way. (ESA/Gaia; Amanda J. Smith and Anke Arentsen/Institute of Astronomy, Cambridge)
Illustration of the orbits of the ancient stars in the heart of the Milky Way. (ESA/Gaia; Amanda J. Smith and Anke Arentsen/Institute of Astronomy, Cambridge)