Donald Trump's fascist-lite ravings are anathema to them, but with moderate Republicans migrating to Hillary Clinton, some on the left worry that a President Clinton might feel less obliged to push a vigorous liberal program.
The definition of astro as a prefix means relating to things that are beyond Earthâs atmosphere. A science that studies the physical properties of celestial bodies is an example of astrophysics. star or stars: astrophysics.
Astronomy is a study of the stars, planets and other phenomenon in space. Since the first humans looked at the skies, there has been astronomy. Many people have been significant over the years, like Copernicus and Galileo, and many individuals have made special contributions to astronomy, but you can't say when astronomy began.