This is a video of the star S2 orbiting Sagittarius A* (Sgr A*). The orbit is on the time scale of 18 years. The orbital time and how close S2 comes to Sgr A* implies that Sgr A* must be a supermassive black hole. This work contributes to the 2020 Nobel Prize for Reinhard Genzel and Andrea Ghez.

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This specific animation comes from the UCLA Galactic Centre Group that lead by Professor Andrea Ghez.

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