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.
Astrometry, the most ancient branch of astronomy, is the measure of the sun, moon, and planets. The precise calculations of these motions allows astronomers in other fields to model the birth and evolution of planets and stars, and to predict events such as eclipses, meteor showers, and the appearance of comets.