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Experimental data from the practice of determining the radius of the Earth


Here is the piece of experimental data from the practice of determining the radius of the earth, held together with 566 colleges, most of Spain, and one American. We can see that the points define a line almost as naturally by the proximity of the date of collection of data (Thursday, March 26, 2009) to the vernal equinox.

With this data sheet and map for the previous entry The following parameters were calculated:

Location: Fuente Vaqueros (Granada) 37 ° 13'13 "N 2 ° 46 '47" W
parallel 40
Distance: 309 km to the south: -309 km length

Gnomon: 76, 5 cm.
minimum shadow length: 55.5 cm

To view the results of the practice, you can click on the link below:

measure the radius of the Earth