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"Meteoroids are pieces of rock that once were part of another celestial body. These pieces of rock can be of microscopic size to several meters across. When the rock enters the earth's atmosphere, it is referred to as a meteor or """"""""shooting star."""""""" If the rock strikes the surface of the...
Grade Level   8 9 10 11 12
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2
The GOES-16 (Geostationary Operational Environmental Satellite), launched in 2016, is the first weather satellite in the GOES-R series from NASA and National Oceanic and Atmospheric Administration (NOAA). Orbiting 22,000 miles above Earth, GOES-16 can see amazing details of weather on Earth and will...
Grade Level   K 1 2 3 4 5 6 7 8
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3
Ocean currents — the continuous, directed movement of ocean water — affect regional climates and alter the biological and chemical characteristics of seawater. Currents can flow for long distances both at and below the ocean’s surface. Wind drives surface currents, whereas density often drives...
Grade Level   6 7 8
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4
Is the ozone hole getting smaller? How much rain is in the cloud of a hurricane? How much sea ice is melting in the Arctic? For over 50 years, NASA scientists have been asking questions and collecting data from space-based satellites to study Earth's changing environment. Engineers and scientists...
Grade Level   6 7 8 9 10 11 12
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