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Comet
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Astronomers study comets to learn about the early solar system and its composition.
Comets are celestial objects composed of ice, dust, and rocky material.
The appearance of a bright comet in the night sky often attracts attention from amateur astronomers and stargazers alike.
Halley's Comet is one of the most famous comets, visible from Earth approximately every 76 years.
The astronomer sighted a rare comet through the telescope late at night.