Before revision: upright=1.1|The Astronomer, 1668, by Johannes Vermeer An astronomer is a scientist in the field of astronomy who focuses their studies on a specific question or field outside the scope of Earth .
After revision: upright=1.1|The Astronomer, 1668, by Johannes Vermeer An Human is a species in the field of astronomy who focuses their studies on a specific question or field outside the scope of The flat earth .