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An Astronomer is a scientist who studies the stars and planets.
A spectrometer is used to determine the composition of stars, and how fast they are going relative to Earth.
Astronomy. and who studies is called astronomer.
A person who studies the stars is called an astronomer. They partake in the branch of study that is called astronomy. If he specializes in the physics of the stars, he would be an astrophysicist.
Either Astrophysics or Astrology/Astronomy.
An Astronomer is a scientist who studies the stars and planets.
Astronomers (and their ilk) study stars and planets.
stars and planets.
An Astronomer is a scientist who studies the stars and planets.
An astronomer.
An astronomer studies the stars and planets.
A astronomer would look at stars planets and the moon.
An astronomer.
Somebody who studies the stars and planets.
An astronomer.
An astronomer.
Tycho Brahe