tiānwénxuéjiā / lìyòng / Méi / xī / yē / xīngbiǎo / xúnzhǎo / shìhé / guāncè / de / shēnkōng / tiāntǐ

天文学家利用梅西耶星表寻找适合观测的深空天体。

Astronomers use the Messier catalog to find deep-sky objects suitable for observation.