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.
Fields relating to the environment: 1  Aerobiology (pronunciation) â The study of airborne organic particles.  Astrobiology (pronunciation) â The branch of biology concerned with the effects of outer space on living organisms and with the search for extraterrestrial life.