@CNN: NASA on Saturday will launch its most advanced laser device into space to measure changes in the heights of Earth’s polar ice, as well as other topographical features https://t.co/oXaVjU5CGw https://t.co/4aeMDPKvAs
NASA on Saturday will launch its most advanced laser device into space to measure changes in the heights of Earth's polar ice, as well as other topographical features https://t.co/oXaVjU5CGw pic.twitter.com/4aeMDPKvAs
— CNN (@CNN) September 14, 2018