NASA : Our Wet Wide World 0 Randall Gross ScienceApril 2013Tuesday, April 16, 2013 at 7:28 pm PDT • Views: 1,292 Video Energy Cycles Extreme Events Global Precipitation Measurement GPM Mission International Satellite Mission JAXA Japan Aerospace Exploration Next-Generation Observations Precipitation Measurements Satellite Precipitation Informat Partner Satellites International Network NASA Goddard Space Goddard Shorts HD Instruments