首页   按字顺浏览 期刊浏览 卷期浏览 Doubling your sunsets or how anyone can measure the earth’s size with wristwatch and me...
Doubling your sunsets or how anyone can measure the earth’s size with wristwatch and meterstick

 

作者: Dennis Rawlins,  

 

期刊: American Journal of Physics  （AIP Available online 1979）
卷期: Volume 47, issue 2  

页码: 126-128

 

ISSN:0002-9505

 

年代: 1979

 

DOI:10.1119/1.11880

 

出版商: American Association of Physics Teachers

 

数据来源: AIP

 

摘要:

A method is described whereby, using primitive equipment, anyone can measure the size of the Earth, to an accuracy of order of magnitude 10% — by observing two sunsets in the space of a few seconds. The calculated result’s closeness to the truth is comparable to the best extant ancient estimates.

 

点击下载:  PDF (283KB)



返 回