This application was designed and developed by Esri's Applications Prototype Lab in Redlands, California.

The source code is available here.

The application was built using the following technologies:

• ArcGIS API for JavaScript by Esri
• Bootstrap by Twitter Inc.
• Bootstrap Slider by Kyle J. Kemp
• jQuery by the jQuery Foundation Inc.
• three.js by Mr.doob

The USGS's Landsat program has been imaging the Earth for the past 45 years (see wiki). Click here, here and here to learn more about the Landsat imagery hosted by Esri and specifically the recently announced Landsat Explorer app.