Final answer:
The study of the universe's structure and evolution is correctly spelled as 'astronomy', a field which is considered a natural science, unlike astrology. Astronomy involves the empirical study of celestial bodies and the universe as a whole.
Step-by-step explanation:
The correct spelling for the study of the universe's structure and evolution is astronomy. This scientific field explores the cosmos at large, ranging from planets and stars to galaxies and the overall structure of the universe. Astronomy is considered a natural science, distinct from astrology, which is not. In contrast to astrology, astronomy employs scientific methods to understand the natural universe, including aspects like the evolution of galaxies over cosmic time, which is compared to the biological evolution of species here on Earth.
When we examine the contributions of historical figures to the field of natural sciences, we do not find individuals with the names Russell or Jamie as prominent contributors to astronomy or any related major scientific theories. Instead, in the context of the natural sciences and the study of the universe, we recognize the work of figures such as Niels Bohr, Marie and Pierre Curie, the Ancient Greeks, Dalton, JJ Thomson, and Rutherford, all of whom have significantly impacted our understanding of physics and chemistry.
Regarding the study of stars, astrology and astronomy both look to the heavens, but astronomy is the branch that is considered a natural science because of its empirical approach and reliance on observation and experimentation to understand celestial phenomena.