How squished is that planet? HIP 41378f — a cold, puffy sub-Neptune with four known siblings — becomes one of just a handful of planets with an estimate of its rotation period. aasnova.org/2025/05/07/h... 🔭🧪 - ThreadSky | a Reddit-style client for Bluesky

aasnova.org • 54 days ago

How squished is that planet? HIP 41378f — a cold, puffy sub-Neptune with four known siblings — becomes one of just a handful of planets with an estimate of its rotation period. https://aasnova.org/2025/05/07/how-squished-is-that-planet-astronomers-measure-oblateness-of-a-sub-neptune/ 🔭🧪

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