NASA Launches $1 Billion ICESat-2 Spacecraft to Study Ice Melt

ICESat-2 satellite spacecraft orbits Earth

NASA’s ICESat-2 spacecraft will measure the height of Earth’s melting ice. (Credit: NASA Goddard Space Flight Center)

Since 2003, NASA has been monitoring the height of Earth’s ice with lasers. This undertaking began with a satellite — the Ice, Cloud, and Land Elevation Satellite (ICESat) — which ran through 2009. Operation…


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