- 梅西耶 méixīyē Charles MessierCharles Messier (1730-1817), French astronomer who catalogued nebulas and galaxies
- 梅西叶 méixīyè Charles MessierCharles Messier (1730-1817), a French astronomer famous for cataloging celestial objects such as nebulas and galaxies
- 梅西叶星表 méixīyèxīngbiǎo Messier catalogThe Messier catalog of astronomical objects, published in 1784, which includes various nebulae and star clusters
- 梅西耶星表 méixīyēxīngbiǎo Messier catalogThe catalog of nebulae and star clusters published by French astronomer Charles Messier in 1784