Daily photo: 20/05/2011
![Functioning cardboard model of a sextant Functioning cardboard model of a sextant](http://www.astrofiammante.net/wp-content/uploads/2011/05/200511.jpg)
Sextant (n): An instrument that, by measuring the angle between two visible objects, allowed sailors to plot their whereabouts on nautical charts.
Sextant (n): An instrument that, by measuring the angle between two visible objects, allowed sailors to plot their whereabouts on nautical charts.