https://www.youtube.com/watch?v=Spo0dppFX9w

Hosted by Tony Darnell.

From Oct 2, 2023.

The planet is HD 209458 b, and nicknamed "Osiris" after the Egyptian god of the underworld. Osiris is a fitting nickname for this planet, as it is a very hot and hostile world. HD 209458 b orbits its star very closely, and its surface temperature is estimated to be around 1,000 degrees Celsius. This makes it too hot for liquid water to exist on its surface, and it is unlikely to be habitable. Even so, this planet is remarkable in many ways. It occupies first place in a long list of discovery milestones.

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