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UH optometrist investigates changes in eye structure in astronauts

IMAGE: University of Houston optometrist Nimesh Patel studies the vision of returning International Space Station astronauts and proves a structural change to their eyes. view more  Credit: University of Houston HOUSTON, March 13, 2018 -- Astronauts who spend time aboard the International Space Station return to Earth with changes to the structure of their eyes which could impact their vision. NASA has studied the phenomenon, known…

NASA sees Tropical Cyclone Linda lose an ‘arm’

IMAGE: On March 13, 2018, at 8:30 a.m. EDT (1230 UTC) NASA's Terra satellite found top temperatures of strongest thunderstorms (yellow) in Tropical Cyclone Linda. Temperatures were as cold as or... view more  Credit: NRL/NASA Tropical Cyclone 13P has been renamed Tropical Cyclone Linda in the Southern Pacific Ocean. NASA's Aqua and Terra satellites found a powerful band of thunderstorms east of Linda's center that resembled…

NASA’s James Webb Observatory prepares for additional testing

Engineers removed the combined optics and science instruments of NASA's James Webb Space Telescope from their shipping container in a high bay at Northrop Grumman Aerospace Systems in Redondo Beach, California, on March 8, signaling the next step in the observatory's integration and testing. Northrop is the final step of Webb's journey before it travels to its launch site in Kourou, French Guiana. Engineers will…

NASA-NOAA’s Suomi NPP Satellite sees Tropical Cyclone Hola dissipating

IMAGE: When NASA-NOAA's Suomi NPP satellite passed over the South Pacific Ocean it captured a visible image of Tropical Cyclone Hola being torn apart by wind shear. view more  Credit: Credits: NOAA/NASA Goddard Rapid Response Team When NASA-NOAA's Suomi NPP satellite passed over the South Pacific Ocean it captured a visible image of Tropical Cyclone Hola being torn apart by wind shear. On Mar. 11 Visible…

NASA finds strongest storms in newly formed Tropical Cyclone 13P

IMAGE: On March 12 at 10:50 a.m. EDT (1450 UTC) NASA's Aqua satellite found top temperatures of strongest thunderstorms (yellow) in Tropical Cyclone 13S Temperatures were as cold as or colder... view more  Credit: NRL/NASA Infrared satellite data showed Tropical Cyclone 13P quickly developed powerful storms with very cold cloud top temperatures. NASA's Aqua satellite analyzed the system in infrared light to determine where its strongest…

NASA’s Webb Telescope to make a splash in search for interstellar...

Water is crucial for life, but how do you make water? Cooking up some H2O takes more than mixing hydrogen and oxygen. It requires the special conditions found deep within frigid molecular clouds, where dust shields against destructive ultraviolet light and aids chemical reactions. NASA's James Webb Space Telescope will peer into these cosmic reservoirs to gain new insights into the origin and evolution of…

NASA sees Tropical Cyclone Hola drenching Vanuatu, New Caledonia

Tropical Cyclone Hola was dropping heavy rainfall on Vanuatu and New Caledonia when the Global Precipitation Measurement mission or GPM core satellite passed overhead. There are regional warnings for Vanuatu and New Caledonia. In Vanuatu a gale warning is in force for Tafea and Shefa provinces. In New Caledonia, the territory is on pre-alert, with the exception of Ouvéa, Maré and Lifou, which are on…

Three NASA satellites recreate solar eruption in 3-D

The more solar observatories, the merrier: Scientists have developed new models to see how shocks associated with coronal mass ejections, or CMEs, propagate from the Sun -- an effort made possible only by combining data from three NASA satellites to produce a much more robust mapping of a CME than any one could do alone. Much the way ships form bow waves as they move…

Evading in-flight lightning strikes

CAMBRIDGE, MASS.--Aviation experts estimate that every commercial airplane in the world is struck by lightning at least once per year. Around 90 percent of these strikes are likely triggered by the aircraft itself: In thunderstorm environments, a plane's electrically conductive exterior can act as a lightning rod, sparking a strike that could potentially damage the plane's outer structures and compromise its onboard electronics. To avoid…

Science Teachers at National Conference to Speak with NASA Astronaut on...

The National Science Teachers Association (NSTA) Conference in Atlanta will speak with NASA astronaut Scott Tingle, currently living and working aboard the International Space Station, at 10:40 a.m. EDT Friday, March 16.
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