| equinox(noun, study, treatment, science, knowledge) |
| exoplanetology(noun, form, study, science, field) |
| gravitational wave astronomy(noun, form, study, science, field) |
| immersion(noun, study, treatment, science, knowledge) |
| inclination(noun, study, treatment, science, knowledge) |
| ingress(noun, study, treatment, science, knowledge) |
| libration(noun, study, treatment, science, knowledge) |
| limb(noun, study, treatment, science, knowledge) |
| magnetospheres(noun, form, study, science, field) |
| node(noun, study, treatment, science, knowledge) |
| nucleosynthesis(noun, study, treatment, science, knowledge) |
| nucleus(noun, study, treatment, science, knowledge) |
| periapsis(noun, study, treatment, science, knowledge) |
| phase(noun, form, study, science, field) |
| photometry(noun, form, study, science, field) |
| primary(noun, study, treatment, science, knowledge) |
| redshift(noun, study, treatment, science, knowledge) |
| solar(noun, name, space, cosmos) |
| spectroscopy(noun, form, study, science, field) |
| stargazer(noun, study, treatment, science, knowledge) |