Last Updated：2025/12/03
Sentence
Quizzes for review
The astronomers measured the precession of the line of apsides to understand the tidal effects on the planet's orbit.
See correct answer
The astronomers measured the precession of the line of apsides to understand the tidal effects on the planet's orbit.
音声機能が動作しない場合はこちらをご確認ください
Related words
line of apsides
Noun
Japanese Meaning
天体軌道や楕円の中で、近点と遠点（アプシス）を結ぶ直線。 / 幾何学・天文学において、楕円や放物線などの軌道の焦点に対応する点（アプシス）を結ぶ線。
Related Words
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
