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单词 ring arc
释义

Definition of ring arc in English:

ring arc

noun
Astronomy

  • A structure that appears as an arc or incomplete ring around a planet, especially Neptune, generally representing part of a complete ring in which the rest of the ring is faint or invisible.

Origin

1980s; earliest use found in Science.

Definition of ring arc in US English:

ring arc

noun
Astronomy

  • A structure that appears as an arc or incomplete ring around a planet, especially Neptune, generally representing part of a complete ring in which the rest of the ring is faint or invisible.

Origin

1980s; earliest use found in Science.
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更新时间：2025/8/21 0:03:36