Somnology or hypnology
The scientists who study rainbows are called atmospheric scientists or optical physicists. They study the formation and characteristics of rainbows, which involves understanding the physics of light, water droplets, and atmospheric conditions.
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.
You could be thinking of a laboratory.
An observatory.
Scientists who study the universe are known as cosmologists.
They use Satellites, telescopes, and they have even sent some men out into space to get close to the planet and study it. akjdflkajdfhglkjdhfgkljsdfhgkdjfhglksdjghYOURMOMlkdjflskdjf cneuvdunvdunv don't you dare improve this answer!!!! I am sitting right next to you and I will RAMballsack you in the face! CASEY HOW DARE YOU SAY MY NAME. I love you .__."
Well scientists do study them but there isn't an actual name of the study of them.
paleontologist
archeologist
A Volcanologist.
Astronomer
Paleontologist
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Ichthyologists are scientists that study fish
Scientists who study classification (taxonomy) are known as taxonomists.