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Article
Uranus Pathfinder: exploring the origins and evolution of Ice Giant planets
The “Ice Giants” Uranus and Neptune are a different class of planet compared to Jupiter and Saturn. Studying these objects is important for furthering our understanding of the formation and evolution of the pl...
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Article
Neptune's capture of its moon Triton in a binary–planet gravitational encounter
Unique among the Solar System's large satellites, Triton orbits Neptune in the direction opposite to the planet's spin. Triton's circular orbit is also tilted significantly from Neptune's equator. These facts ...
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Article
Hit-and-run planetary collisions
Terrestrial planet formation is believed to have concluded in our Solar System with about 10 million to 100 million years of giant impacts, where hundreds of Moon- to Mars-sized planetary embryos acquired rand...