Tra từ spiral nebula - Từ điển Oxford Learners Wordfinder Dictionary

Từ điển Oxford Learners Wordfinder Dictionary

spiral nebula

noun

a galaxy having a spiral structure;
arms containing younger stars spiral out from old stars at the center
• Syn:
spiral galaxy
• Hypernyms:
galaxy, extragalactic nebula
• Hyponyms:
Andromeda galaxy