What is Astro Physics?
Astrophysics
is literally “space science.” Specifically, it is a branch of space science
that applies the laws of physics and chemistry in an attempt to understand the
most massive objects in the universe. Obviously, astrophysics is about more
than just stars. It’s about understanding planets, galaxies, nebulae, black
holes, and all of the other objects drifting in the cosmos. Since these objects
directly influenced our evolution (and continue to influence our evolution),
understanding their exact mechanisms is of the utmost import.
There are
two branches of this discipline: #Cosmology and #Astronomy.
Cosmology is
the study of the cosmos at large. For example, a cosmologist may study the
origin, evolution, and eventual fate of the universe (things like the big bang,
cosmic inflation etc). Astronomy is the study of individual objects or
structures (measuring positions of galaxies or galaxy clusters, measuring
luminosities, plotting motions of stars, etc.). Astrophysics is the field that
creates physical theories for the small to medium-size structures in the
universe. If it sounds like they all blend together a bit, it’s because they do. (Ref: Futurism.com)
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