Last Updated：2025/11/21
Sentence
天文学者たちは近くの恒星を回る褐色矮星を発見し、亜恒星の形成モデルに疑問を投げかけた。
Quizzes for review
Astronomers discovered a brown dwarf orbiting the nearby star, challenging models of substellar formation.
See correct answer
Astronomers discovered a brown dwarf orbiting the nearby star, challenging models of substellar formation.
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
brown dwarf
Noun
Japanese Meaning
（天文学用語）形成段階を経た後、約木星の体積に収縮する、星に似た天体。質量は木星の数倍から、持続的な水素融合が起こる閾値直前までの範囲にある。
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
