Astro 100 Chapter 1.pptx - Astronomy 100 Jaquelin Erazo...

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Astronomy 100Jaquelin ErazoCollege of Staten IslandSpring 2019
Chapter 1Science and the Universe: A Brief Tour
1.1 – The Nature of AstronomyAstronomy: the study ofThe objects that lie beyond our planet Earth andThe processes by which these objects interactwith one another+ humanity’s attempt to organize what we learninto a clear history of the universe (from Big Bangto today)Science is:A progress report
1.2 – The Nature of ScienceScience is not merely a body of knowledge,but amethodObservations, experiments, models and testingNew models or ideas are sometimes calledhypothesesMust be a proposed explanation that can beTESTED
1.2 – The Nature of ScienceAstronomy is sometimes called anobservationalscienceCreate tests through observing many samples ofthe objects we want to studyAstronomy can also be considered ahistoricalscienceWe observe what has already happened in theuniverse and can do nothing to change it
1.3 – The Laws of NatureOver centuries scientists have extractedvariousscientific lawsfrom countlessobservations, hypotheses, and experimentsThe “rules” of the game that nature plays

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Term
Fall
Professor
Robbins
Tags
Physics, Science, Speed of light

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