Astronomer vs. Astrologer: What's the Difference?

Astronomer and Astrologer Definitions
Astronomer
One who specializes in astronomy.
Astrologer
The study of the positions and motions of celestial bodies in the belief that they have an influence on the course of natural earthly occurrences and human affairs.
Astronomer
One who studies astronomy, the stars or the physical universe; a scientist whose area of research is astronomy or astrophysics
Astrologer
(Obsolete) Astronomy.
Astronomer
An astrologer.
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Astrologer
One who studies or practices astrology.
Astronomer
One who is versed in astronomy; one who has a knowledge of the laws of the heavenly orbs, or the principles by which their motions are regulated, with their various phenomena.
An undevout astronomer is mad.
Astrologer
One who studies the stars; an astronomer.
Astronomer
A physicist who studies astronomy
Astrologer
One who practices astrology; one who professes to foretell events by the aspects and situation of the stars.
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Astrologer
Someone who predicts the future by the positions of the planets and sun and moon