The Landsat exhibit booth shared how Landsat helps us to understand our changing lands. The Landsat Communications and Public Engagement staff together with with Sr. Systems Engineer Theresa Arvidson (Lockheed Martin) and Sally Cook (USGS) helped visitors explore Landsat mosaics of the Chesapeake Bay watershed and large cubes that featured images of the same places during different decades. The crowd of visitors included many family groups.
Further Reading:
+ Explore@NASAGoddard Attracts Record Crowd of 20,000

Above the Earth, Below the Surface: Landsat’s Role in Monitoring Water Quality
Safeguarding freshwater resources is crucial, and while scientists use a variety of ground-based techniques to gauge water quality, the Landsat program has provided water quality data from orbit for decades.