Àdàkọ:POTD/2007-08-30
| Àwòrán Ọjọ́ Òní | |
|
An animated image demonstrating the usage of a sextant, a measuring instrument generally used to measure the angle of elevation of a celestial object above the horizon. A common use of the sextant is to sight the sun at noon to find one's latitude. Image credit: Joaquim Alves Gaspar |