2007-01-31 03:37:46 · 2 answers · asked by Tran 1 in Science & Mathematics ➔ Geography
Which product should I use (sorry, I don't know how to edit the question)
2007-01-31 03:40:06 · update #1
If I understand your question correctly, you're looking for imagery from certain dates, rather than just those available from say, Google Earth.
Several companies launch satellites for commercial imagery - do a google search; companies such as GeoEye sell their imagery online. Be aware, this gets expensive, and generally they don't archive previous imagery.
If you're looking for something local, you'll have a much easier time. Contact your city or county government; most planning departments have historical aerial photography that you can either borrow or copy for a fee.
2007-01-31 12:56:02 · answer #1 · answered by trimetrov 2 · 0⤊ 0⤋
You'll have to launch your own satellite. There is no data which corresponds to every place on earth being observed at every instance.
2007-01-31 11:57:42 · answer #2 · answered by Gene 7 · 0⤊ 0⤋