Worldview is a NASA near-real-time atlas of satellite data. It can be used to visualize imagery from Terra, Aqua, Suomi-NPP satellites, and many variables derived from imagery (sea surface temperature maps, wildfire detection, etc.)
Characteristics
Type: satellite imagery + derived data
Spatial resolution: variable (e.g. 500-m for Terra/MODIS imagery)
Spatial coverage: global
Time resolution: daily
Time coverage: variable (e.g. Terra/MODIS: 2000-present)