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Comet
01
彗星
an object in space that is a mass of ice and dust and when it nears the sun it starts illuminating in the shape of a tail
例子
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.
