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TagHD 209458b: Osiris (planet)

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set of alien planet isolated on black background, nearby exoplanets (3d science illustration)

Among 5000 Known Exoplanets, There Are Some Really Strange Ones

Planets so strange that they prompt a rethink of the “planetary rulebook.”

PBS tells us that Hoth, the frozen planet in Star Wars, is not just imagination. It has a real-life counterpart among the exoplanets. Granted, astronomers call it OGLE-2005-BLG-390Lb but even they think of it as “Hoth.” Here’s the video. Such strange planets are prompting a rethink of the “planetary rulebook.” Another strange one: Narrator: 51 Pegasi b is a gas giant, around half the mass of Jupiter, but so close to its star that part of its atmosphere may have been ripped away… Hannah Wakeford: These planets are baked by their stars’ radiation, the temperatures are in the thousands. David Charbonneau: Many astronomers didn’t believe it, because the planet was in the wrong place. It was enormous. It was massive,…