Tag Info

New answers tagged

2

National Geographic is generally considered the premier map maker since the inception of the society over a hundred years ago. The National Geographic 1970 World Map probably answers your question of "What was the most accurate map of the Earth before satellites?" Note that the premise of your question may be off kilter. In most cases it is not the accuracy ...


9

The maps were almost as accurate as they are after the launch of satellites. And this has little to do with air photography. And celestial navigation ("sextants" hinted in the previous message) was responsible only for mapping of remote islands. The main method of making accurate maps was geodesic survey. One begins with laying a base, that is measure ...


10

The first satellite image of Earth was taken in 1959. At that time, as far as I can tell, aerial photography and stereoplotters were used to produce topographic maps with accuracy that I imagine would have depended mostly on the quality of the aerial photographs, but probably down to a few meters. For larger maps depicting the Earth, I think the answer ...



Top 50 recent answers are included