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cometary
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Cometary nuclei are composed of a mixture of water ice, dust, and organic compounds.
Cometary impacts on planets or moons can leave behind craters or other surface features.
Cometary apparitions occur when a comet becomes visible from Earth during its orbit.
Cometary tails are formed when a comet's nucleus releases gas and dust as it approaches the Sun.
Cometary missions, such as the Rosetta mission, study comets up close to learn more about their composition and behavior.
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