4 ms·wow amazed pictures all the way back to 1980's hmmby jcun4128 6y agowow amazed pictures all the way back to 1980's hmmISL 6y agoLandsat, I assume: https://en.m.wikipedia.org/wiki/Landsat_program https://en.m.wikipedia.org/wiki/Landsat_programjcun4128 6y agoThanks for that was trying to look around, as early as late 70's I see.