I agree with the above comments. But if you want to get really fancy, you could go with Selenographer (a person who charts the surface of the Moon) or Selenologer (a person who studies the Moon).
Neil Armstrong was the first person to walk on the moon.
A horologist studies time.
Several scientists study the moon, all in different ways. A lunar geologist studies the rocks on the moon and how the different areas of the moon formed. A physicist studies the orbit of the moon and how it affects the earth.
Someone who studies the planet Mars is called an areologist.
niel armstrong
What is the name of a person that studies organisms
Astronomer
A person who studies flags is a vexillologist; a person who designs flags is a vexillographer; and any person who simply likes, admires, or enjoys flags is a vexillophile.
A person who studies sand is known as a psammologist.
A person who studies sound is called an acoustician.
An entomologist is a person who studies insects.
A Historian.
What is the name of a person that studies derivation of
A person who studies audiology would be called an audiologist.
Neil Armstrong was the first person to walk on the moon.
Heliologist
A horologist studies time.