An astronomer.
A person who studies rainbows is called a "rainbowologist."
A person who studies snowflakes is called a cryologist or a snowflake scientist.
The person who studies constellations is called an astronomer. Astronomers study celestial objects and phenomena, including stars, planets, and galaxies, using telescopes and other tools to observe and analyze the universe.
Meteorologist
An astronaut.
There are several possibilities:ArchaeologistForensic ArchaeologistAnthrologistGeologistMining EngineerThere may be others as well.
a person who studies people but not an psychologist
A person who studies genealogies is a genealogist.
A person who studies organisms is called a biologist.
a person that studies gems is called a gemologist.
what do you call somebody who studies snails.
It is called Negative Space.
A person who studies poisons is called a toxicologist.
A person who studies the earth is called a geologist.
A person who studies birds is called an ornithologist.
A person who studies birds is called an Ornitholoigst
A person who studies the mind is called a psychologist.