The GPS (global positioning system) satellite is far more accurate and easy to use. As to which is more important, that is a tough question, and depends upon your circumstances.
http://en.wikipedia.org/wiki/Sextant
you can find sextant on history.com
you use a sextant to navigate.
It's important that more than one Landsat satellite because one satellite can orbit the whole earth so if more come than it will take 18 days to scan the earth
It's important that more than one Landsat satellite because one satellite can orbit the whole earth so if more come than it will take 18 days to scan the earth
you draw a sextant by looking at googler in the images.
Spin motion establishes a direction for the satellite to point to and stabilizes the satellite.
the sextant helped me navagate my way to alaska
the moon
The satellite is important to science because that's how we are able to tell the weather days ahead before it comes.
as sextant consists a graduated circular arc that is of 60 degree so, arc forms one-sixth of a circle ,hence the name sextant
It's important that more than one Landsat satellite because one satellite can orbit the whole earth so if more come than it will take 18 days to scan the earth
how many years that the sextant become a symbol of navigation