The Earth is a dynamic entity, and scientists are trying to understand it. Various things in nature grow and shrink, such as ice sheets, glaciers, forests, rivers, clouds and atmospheric pollutants, serving as the pulse of the planet and affecting many people in many walks of life. Scientists using NASA’s Ice, Cloud, and land Elevation Satellite (ICESat) are measuring the height of these dynamic features from space with unprecedented accuracy, providing a new way of understanding our changing planet. ICESat has lasers onboard that help it make the most accurate measurements ever.
Focus on the Freeze
Because ICESat’s unique instruments enable it to see changes in elevation, one of the areas scientists focus on are changes in the ice at the poles and in glaciers around the world. As the ICESat satellite circles the world, it sees changes in the heights of ice at the poles, and the movement of glaciers whether melting or building with snow and ice.
Rob Gutro | EurekAlert!
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