Earth Sciences 1086F/G Lecture Notes - Lecture 1: Hubble Space Telescope, Cosmic Microwave Background, Edwin Hubble
4 Apr 2016
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Chapter 1: the scienti c theory and the big bang! In science, the words theory, law and hypothesis do not mean the same thing. Hypothesis: this is an educated guess based upon observation. It can be accepted or rejected based on experimentation, but can never be proven to be true. Theory: a theory that summarizes a hypothesis that is supported by repeated testing and observation. A theory is considered to be valid as long as there is no rm evidence against it. As a hypothesis is more widely accepted, it becomes a theory, and even though it cannot be guaranteed to be true, it is our best guess on the why of something. Law: a law explains a body of transformations. Laws explain things, but do not describe them. The difference between a law and a theory is that a theory explains the. The theory - an effort to explain what happened at the very beginning of the universe.
