The comet appeared brightly in the night sky.
彗星在夜空中明亮地出现。
They watched the comet pass by with great excitement.
他们怀着极大的兴奋观看彗星经过。
A comet can have a long, glowing tail.
彗星可以有一条长长的发光尾巴。
The discovery of the comet was announced yesterday.
昨天宣布了彗星的发现。
Many ancient cultures recorded sightings of a comet.
许多古代文化记录了彗星的目击事件。
The comet is composed of ice, dust, and gas.
彗星由冰、尘埃和气体组成。
They named the comet after its discoverer.
他们以发现者的名字命名彗星。
The comet will be visible again next year.
彗星明年将再次可见。
Scientists study the comet to learn more about space.
科学家研究彗星以了解更多关于太空的信息。
The comet travels through the solar system.
彗星在太阳系中旅行。
comet nucleus 彗星核
comet orbit 彗星轨道
comet shower 彗星雨
comet observation 彗星观测
comet impact 彗星撞击
comet discovery 彗星发现
复数: comets;