HISTORY 2720 Chapter Notes - Chapter 3: Optical Spectrometer, Edwin Hubble, Big Bang
26 Mar 2018
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Terms in italics will be found italicized in the text on the page number in parentheses. Terms without page numbers will be in bold and are also found in your textbook glossary. phase changes (19) - when energy/matter transforms into different types. C steam cools to water inflation (19) - a moment (within a billionth/billionth/billionth of a second after big bang) in which universe expanded to size comparable to today"s galaxy four fundamental forces: gravity, electromagnetism, strong, weak (19) Due to the presence of specific elements, each of which tended to absorb light energy at different frequencies. Occasionally have shifted away from their expected positions for distant objects big bang - the moment the entire universe began in an unimaginably small bundle of energy. Doppler effect - apparent stretching/contracting of wave lengths as they move closer/farther away. You do not need to turn in your answers to these questions.
