The multi-billion dollar a year activities linking aerial imagery with geospatial technologies expands more rapidly than you can blink an eye. Government and commercial contracts dominate the growth, especially for military, security, agriculture, and forestry applications.
The USGS Earth Explorer is a similar tool to the USGS Global Visualization Viewer (GloVis) in that users search catalogs of satellite and aerial imagery. The USGS Earth Explorer is the new and improved version.
Satellite Imagery provides much essential and critical information for monitoring many applications such as image fusion, change detection, and land cover classification. Remote sensing is an important technique to obtain information relating to the Earth’s resources and environment.