When worlds collide: Stunning 3D simulation shows what happens in giant planetary crashes (video)

New 3D supercomputer simulations show the early stages of planetary collisions, demonstrating what may happen to an Earth-like planet struck by a giant object. 

Planets evolve over billions of years, as bits of dust and gas clump together. However, planetary formation can be easily disrupted by impacts from other celestial objects. Such collisions can cause a wide range of consequences for young planets, such as atmospheric loss, the 3D simulations suggest. 

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