Want to become a remote sensing wiz, but don't know where to start? It's easy! The mind map below provides the web links of free and publically available satellite data or application products that have been processed and are ready for you to download or use.
Introduction of the data and detailed usage can be found in each website. These websites offer friendly interactive browsers, making non remote sensing researchers feel like experts in no time.
For details, please check out all the data in this link.