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Quantitative Astronomy Guided Notes.docx - Guided Notes –...

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Guided Notes – Quantitative AstronomyNumbers Need UnitsWhy do we need to have units attached to numbers when discussing things in science?
What are the three types of quantities that we measure in this class? What are the metric system’s unitsfor each of these quantities?
What is a prefix good for in the metric system?
What are three examples of metric system prefixes, and what does each one stand for?
What are three non-metric units we might use often in this course, and what does each one mean?
Your employer gives you a chance to decide how long your break should be. Which one should youselect?
Big NumbersWhy do we need a shorthand (called “scientific notation”) for big numbers in Astronomy?

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Term
Winter
Professor
bennert
Tags
International System of Units, SI prefix, Conversion of units, Metre

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