Cosmologist
cosmologists
The name for this type of scientist is a teuthologist
It's a scientist that studies the laws and rules of the physics of the universe
A scientist who studies animal life is a zoologist. There is no particular name for a scientist that specialises in platypuses.
The type of scientist that studies the environment is an enviromentologist.
what scientist studies hydrogen and oxygen
A scientist who studies radio waves is typically an astrophysicist or radio astronomer. They use radio telescopes to observe and analyze radio emissions from celestial bodies in order to learn more about the universe.
A botanist.
An Entomologist
paleontologist
Sedimentologist.
A zoologist.