NASA’s Aqua satellite is named for its ability to measure water vapor in the atmosphere, water in the oceans, as well as ice and snow. It was launched on May 4, 2002, and has been functioning perfectly for 10 years, providing us 29 million gigabytes of data. Image above: Two powerful storms in the South China Sea near the Philippines.
How does a hurricane form? Although a complete picture is still being researched, insight into this process might be gleaned by watching the above time lapse movie of the formation of Hurricane Irene, a large storm system currently threatening the eastern seaboard of the USA.