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21 March 2018
August 2017 SpaceX rocket launch created large circular shock wave
The unusual trajectory the SpaceX Falcon 9 rocket took when delivering a Taiwanese satellite into orbit last August created an atmospheric shock wave four times bigger than the area of California, a new study finds.
7 August 2013
Of Stars and Stripes: 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.