Greenbelt [US], March 22 (ANI): According to research led by NASA's Goddard Institute for Space Studies, rooftop gardens and greenery can help ease some of the severe heat in cities.
California [US], September 28 (ANI): The US space agency National Aeronautics and Space Administration (NASA) has successfully launched Landsat 9, a powerful satellite built to monitor the Earth's land surface.
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