Primary Source Archives
Gale Primary Sources offers astronomy archives and collections that provide researchers with firsthand content.
Explore the heights of astronomy, which is the branch of science concerned with celestial objects, space, and the physical universe as a whole. Astronomers study the sun, moon, stars, planets, comets, and other heavenly bodies, including their characteristics and how they move. They also study galaxies and solar systems, asteroids and meteors, and interstellar matter like gases and dust particles between stars.
Astrophysics (which applies the laws and theories of physics to the interpretation of astronomical observations) and cosmology (the science of the origin and development of the universe) are different branches of astronomy. Astrology (the study of the movements and relative positions of celestial bodies and their influence on human affairs) was once considered part of astronomy but is now known to have no scientific basis.
Astronomy as a field of science is primarily observational rather than experimental since astronomers must rely on what they can observe through high-powered telescopes or small rock and soil samples brought back by astronauts. But while astronomers focus their eyes upward, the application of astronomy has made a significant impact on Earth, allowing for the development of navigation and calendars, as well as philosophical-religious ponderings on the nature of the universe and humankind’s place in it.
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