Last Updated
：2025/11/21
Roche limit
Noun
Japanese Meaning
ロシュ限界：天体物理学において、衛星が親天体に接近できる最小の距離を指し、その距離よりも近づくと、親天体の潮汐力によって衛星が引き裂かれてしまう。
（ plural ）
Quizzes for review
(astronomy) The nearest a satellite can approach its parent body without being pulled apart by tidal forces.
音声機能が動作しない場合はこちらをご確認ください
See correct answer
Roche limit
Saturn’s rings lie just outside the Roche limit, where material would otherwise be torn apart by tidal forces.
See correct answer
Saturn’s rings lie just outside the Roche limit, where material would otherwise be torn apart by tidal forces.
音声機能が動作しない場合はこちらをご確認ください
English - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen the creation of new headword that may be duplicates
- Screen changing entry name
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
