So, let’s venture into the rich tapestry of terminology that has shaped our understanding and appreciation of the cosmos in this list of 20 Latin stargazing words you need to know. (Also, our kids might need to know some since they are studying Latin roots in English-Language Arts class. Right, boys?) “Astralis” is the Latin term for “celestial”, referring to anything related to the sky or outer space. Celestial objects, such as stars, planets, and galaxies, have always been a source of wonder and curiosity for humans.