scattered disc

固有名詞

(astronomy) A trans-Neptunian region of the Solar System that overlaps the outer edge of the Kuiper belt, but also extends far beyond it, and is populated sparsely by small Solar System bodies.

日本語の意味

海王星の軌道を超え、カイパーベルトの外縁に一部重なりながらもさらにその外側まで広がる、希薄に分布する小天体が存在する太陽系外側の領域

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Objects in the scattered disc can have highly elongated orbits that take them far beyond the Kuiper belt.

Google翻訳 / DeepL翻訳

散乱円盤にある天体は、軌道が非常に細長くなり、カイパー帯のはるか彼方まで達することがある。

詳細

意味（1）

(astronomy) A trans-Neptunian region of the Solar System that overlaps the outer edge of the Kuiper belt, but also extends far beyond it, and is populated sparsely by small Solar System bodies.

There are presently about 200 known objects in the scattered disc, but some of their orbits are rather uncertain. Obviously, most of these objects are observed at perihelion passage, because their semimajor axes might be as large as hundreds of AU (where they would not be observable); if observational biases are taken into account, the scattered-disc population is probably as large as [that of] the classical [Kuiper] belt.

Google翻訳 / DeepL翻訳

詳細

scattered disc

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