梅西叶星表 (梅西葉星表) méixī yè xīngbiǎo

méixī yè xīngbiǎo proper noun Messier catalog of nebulae and clusters
Domain: History 历史 , Subdomain: Astronomy , Concept: Nebula 星云
Notes: 1784 (CC-CEDICT '梅西葉星表')