Browse Formal Resources

Browse Formal Resources

Robbie Hood in an airplane
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This month's NASA Earth Explorer explains what it's like to be face-to-face with one of nature's most powerful storms.
The Water Cycle: Following the Water
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Explore how water moves across land and returns to the ocean in the final installment of the water cycle series. The visualizations illustrate the movement of water on land—from storage of precipitation in soil layers, to its transport via rivers.
The Water Cycle: Watering the Land
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Explore how water droplets form and fall from the sky in part three of the water cycle series. Watch how water vapor moves through the atmosphere and returns to Earth as rain and snow.
The Water Cycle: Steaming the Air
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Explore water vapor in the air in part two of the water cycle series. This second part of our series on the water cycle illustrates the way in which evaporation and winds combine to move water from the ocean to the land.
Multiple Earth's showing different heat visualizations
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Explore the solar heating of the ocean in part one of a series on the water cycle. The animations show multiple views of the solar heating of the oceans, a picture of this first stage of water's cyclical journey from sea to air to land, and back again.
Screenshot from water vapor animation
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Water vapor - and with it energy - is carried around the globe by weather systems. This satellite image shows the distribution of water vapor over Africa and the Atlantic Ocean.
Screenshot from the water cycle animation
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This flash animation takes viewers through four aspects of the water cycle: rain, water storage, vapor, and clouds.
The eye of Hurricane Earl from a plane
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During the 2010 hurricane season, NASA deployed its piloted DC-8 and WB-57, and unmanned Global Hawk aircraft, arming hurricane researchers with the information needed to predict the growth and intensification of hurricanes.
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NASA will dispatch two unmanned aircraft equipped with specialized instruments high above tropical cyclones in the Atlantic Ocean basin. These "severe storm sentinels" will investigate the processes that underlie hurricane formation and intensity change.
Farmer holding dry soil
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This NASA video segment highlights the impact of drought on a global scale. Viewers learn that during a drought the risk of fire increases. Fire produces soot and ash that travel across continents via the trade winds.

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