Document Type

Article

Publication Title

The Physics Teacher

Abstract

Putting large numbers into human perspective by using ratios of a known quantity to an unknown quantity is an important scientific skill. An astronomy activity that encourages the use of estimation and helps students get a handle on large numbers is the making of a scale model of Earth and Sun that is relative in both size and distance.

DOI

10.1119/1.880444

Publication Date

2-2000

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