\r1. NASA laser instrument, called CATS, will help determine details of how tiny particles in the atmosphere warm and cool the earth.
\r2. On average, airborne particles and clouds reflect about a quarter of the sun’s incoming energy which helps cool the earth.
\r3. But the swirling layers of dust, smoke, sea salt, and sulfates can also absorb energy and hold in the earth’s heat.
\rTAG: CATS will help scientists add up those different effects on the earth’s long-term climate.
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How has our view of Earth changed since the first “Earth Rise” image from the 1969 Apollo mission?\r2. Why is this global view important? \r3. What’s next?\r4. How can our viewers celebrate Earth Day tomorrow?\r5. Where can we learn more?", "width": 1024, "height": 574, "pixels": 587776 } }, { "id": 11637, "url": "https://svs.gsfc.nasa.gov/11637/", "page_type": "Produced Video", "title": "CATS - New Remote-Sensing Instrument to Blaze a Trail on the International Space Station", "description": "The Cloud-Aerosol Transport System (CATS), a new instrument that will measure the character and worldwide distribution of the tiny particles that make up haze, dust, air pollutants, and smoke, will do more than gather data once it's deployed on the International Space Station in December. || ", "release_date": "2014-09-08T10:15:00-04:00", "update_date": "2023-05-03T13:50:36.369936-04:00", "main_image": { "id": 452117, "url": "https://svs.gsfc.nasa.gov/vis/a010000/a011600/a011637/CATS_ISS_00542_print.jpg", "filename": "CATS_ISS_00542_print.jpg", "media_type": "Image", "alt_text": "Animation - CATS on the Internation Space Station (ISS)", "width": 1024, "height": 576, "pixels": 589824 } }, { "id": 30017, "url": "https://svs.gsfc.nasa.gov/30017/", "page_type": "Hyperwall Visual", "title": "GEOS-5 Nature Run Collection", "description": "Through numerical experiments that simulate the dynamical and physical processes governing weather and climate variability of Earth's atmosphere, models create a dynamic portrait of our planet. This 10-kilometer global mesoscale simulation (Nature Run) using the NASA Goddard Earth Observing System Model (GEOS-5) explores the evolution of surface temperatures as the sun heats the Earth and fuels cloud formation in the tropics and along baroclinic zones; the presence of water vapor and precipitation within these global weather patterns; the dispersion of global aerosols from dust, biomass burning, fossil fuel emissions, and volcanoes; and the winds that transport these aerosols from the surface to upper-levels.The full GEOS-5 simulation covered 2 years—from May 2005 to May 2007. It ran on 3,750 processors of the Discover supercomputer at the NASA Center for Climate Simulation, consuming 3 million processor hours and producing over 400 terabytes of data. 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