A space writer is someone who writes about space-related topics. There are several other synonyms that can be used to describe someone who writes about space. An astro-writer focuses on astronomy and everything related to the study of celestial objects. Similarly, a cosmology writer delves into the study of the universe and its origins. A space journalist focuses on covering news related to space exploration, while a space science writer writes about the science of space and the laws of physics that govern it. Lastly, a space enthusiast writer is someone who writes about space for the sheer love and passion they have for the subject. So, there are several options that one can use to describe someone who writes about space.