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A horizontal infographic illustrates a loose recipe for planet formation. Title text at top left reads “Recipe for Planet Formation, with star and nebula.” Below the headline are two lists: Ingredients, which lists four ingredients, and Methods, which is threaded throughout the infographic in numerical order. In the Methods section, gas, dust, and ice in a nebula contracts under gravity to form a star, surrounded by a flattened disk. Inside the disk, dust and ice stick together to form planetesimals and then planets, leading to a planetary system.