The Most Important Planet Ever Discovered: Osiris
What happens when a Jupiter-sized planet ventures far too close to its star?
In this long-form Snoozy Space documentary, we journey to Osiris, the extraordinary exoplanet known formally as HD 209458 b, and trace the discoveries that transformed it from a distant point of light into one of the most studied worlds beyond our solar system. 🌌
First detected in 1999, Osiris helped reveal that giant planets can migrate dramatically inward from where they formed. Its atmosphere was then studied with the Hubble Space Telescope, revealing sodium, hydrogen, oxygen, and carbon escaping into space. Later…
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