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meters (m) kilometers (km) Earth radii (R₂) light-years (ly) parsecs (pc)

meters (m) kilometers (km) Earth radii (R₂) light-years (ly) parsecs (pc)

Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
Section: Chapter Questions
Problem 1LR
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An object is 66700 AU away from you. What is this distance in... meters (m) kilometers (km) Earth radii (Re) light-years (ly) parsecs (pc) Note: the point of this problem is to practice unit conversions, not to Google them; all the conversion factors are given in Appendix E, page 1079 of Astronomy 2e. It will be handy to convert AU to m first, and then use that for your other answers, rather than starting from AU. Be careful of cumulative rounding errors.
Transcribed Image Text:An object is 66700 AU away from you. What is this distance in... meters (m) kilometers (km) Earth radii (Re) light-years (ly) parsecs (pc) Note: the point of this problem is to practice unit conversions, not to Google them; all the conversion factors are given in Appendix E, page 1079 of Astronomy 2e. It will be handy to convert AU to m first, and then use that for your other answers, rather than starting from AU. Be careful of cumulative rounding errors.
Expert Solution
Step 1

a) We know that 1 AU = 149597870691 m, so the conversion factor is either


1 AU149597870691 m or 149597870691 m1 AU

Now, we have to convert 66700 AU to meters, we choose the conversion factor with desired units:

 

66700 AU x 149597870691 m1 AU = 9978177975089696 m

Therefore, the object is 9978177975089696 m away from us.

 

 

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