Sidereal
The term "lunar" is used for things relating to the moon.
Trophic is defined as relating to feed or relating to nutrition. It can also be used to describe hormones relating to the stimulation of gland activity.
The word is "astronomical."
Zoophobia is the term used to describe a fear relating to animals.
palimony is a term used to describe court order financial settlement in disputes relating to what?
A word that relates to the heavens or skies is "celestial." This term is often used to describe objects or phenomena that are found in space, such as stars, planets, and other astronomical bodies. It also conveys a sense of something divine or heavenly.
An astroboffin is an expert in a field relating to the stars, particularly astronomy.
Of or relating to the firmament, clouds, stars, sky,etc.
The term medical means relating to the science of medicine. This may also be used to refer to conditions that require to be treated using medicine.
The term exogenous means something relating to external factors. It is used in biology to refer to something that is growing or originating from outside of an organism.
The term "stellar nursery" is sometimes used.
Those are called, "Constellations".