Astronomers have discovered the first exoplanet with plate tectonics — Pangaea when?

Like the volcano planet Mustafar from Star Wars, half of the exoplanet 3844b could be covered in active volcanoes. This planet, discovered in 2019, could be the first world we know, outside the solar system, to have plate tectonics, which guides much of geology on our own world. On Earth, plate tectonics drives earthquakes and builds mighty mountains, and it ferries materials from beneath the surface of the Earth, expelling material to the crust and atmosphere. This movement of the crustal plates of Earth also plays a crucial role in the return of these materials back underground, completing the geological process.…

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