Articles

Super typhoon Haiyan, equivalent to a Category 5 hurricane on the US Saffir-Simpson scale, struck the central Philippines municipality of Guiuan at the southern tip of the province of Eastern Samar early Friday morning at 20:45 UTC (4:45 am local time) as an extremely powerful super typhoon, perhaps the strongest ever recorded at landfall, with sustained winds estimated at 195 mph (315 kph) by the Joint Typhoon Warning Center. Previously, Hurricane Camille, which struck the northern Gulf Coast in 1969, held the record with 190 mph sustained winds at landfall. After striking Samar, Haiyan...

Photo of Daniel Alvarado Name: Daniel E. Alvarado Varela Title: Mechanical Engineer Formal Job Classification : Aerospace Engineer Organization: Code 543, Mechanical Engineering Branch, Engineering Directorate Mechanical engineer Daniel Alvarado’s newest travel companion will be the 7,000-pound GPM satellite, which he will escort from Maryland to Tanegashima, Japan. What do you do and what is most interesting about your role here at Goddard? How do you help support Goddard’s mission? Although officially I am an aerospace engineer, my education is in mechanical engineering. I work on the Global...

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Of stars and stripes: NASA satellites used to predict zebra migrations One of the world's longest migrations of zebras occurs in the African nation of Botswana, but predicting when and where zebras will move has not been possible until now. Using NASA rain and vegetation data, researchers can track when and where arid lands begin to green, and for the first time anticipate if zebras will make the trek or, if the animals find poor conditions en route, understand why they will turn back. Covering an area of approximately 8,500 square miles (22,000 square kilometers), Botswana’s Okavango Delta is...