Chapter 01 PP Handout.pdf - AST 192 ASTRONOMY 2 Chapter 1...

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AST 1921ASTRONOMYChapter 1 SCIENCE AND THE UNIVERSE: A BRIEF TOUR2WHAT IS ASTRONOMY?Study of stars and planetsStudy of the universeVery large structuresVery small structuresTextbook definition includes processes of interactions.SCIENTIFIC METHODScience is a body of knowledgeScience is a processAstronomy makes use of many models
AST 1922SCIENTIFIC NOTATIONIn many instances, the numbers we are dealing with will be verylarge or very smallScientific notation gives us a way to more easily express thesetypes of numbersFormat:x.xxx x 10y4SCIENTIFIC NOTATION, CONT.There will always be one digit to the left of the decimal pointIf the original number is greater than 1, the exponent will bepositiveIf the original number is less than 1, the exponent will be negative5SCIENTIFIC NOTATION,EXAMPLES75007.5 x 1030.00757.5 x 10-3There is a worksheet posted in Blackboard if you want morepractice6
AST 1923GALAXIESDistant Galaxies.

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Term
Winter
Professor
NoProfessor
Tags
Astronomy, Solar System, satellite s data

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