Google Earth Engine Tutorials
Learn the basics of Google Earth Engine and download a Landsat vegetation index time series from 1985 to today.
What is Google Earth Engine?
Google Earth Engine (GEE) is a cloud computing platform with which you can access, process and download remote sensing data products.
When is Google Earth Engine useful? to learn
Whenever the time you need to download and pre-process satellite imagery manually from e.g. the Earth Explorer is longer than to learn a few things about GEE and Java Script.