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        The Water Planet

        In this media gallery of satellite images captured by NASA and ground images captured by NASA and the U.S. Geological Survey (USGS), students are introduced to different views and various scale sizes of Earth as they observe where water is found on our planet. Water covers 75 percent of Earth’s surface, and almost all of it is found in oceans that wrap around the planet. The remaining water is found in freshwater resources, such as precipitation, lakes, rivers, groundwater, and sea ice. In this gallery, students can explore where Earth’s water is found and that it exists in liquid water and solid ice forms across the planet. 

        To view the Background Essay and Teaching Tips for this media gallery, go to Support Materials below. This resource was developed through WGBH’s Bringing the Universe to America’s Classrooms project, in collaboration with NASA. Click here for the full collection of resources.

        The Blue Planet

        This photo-like view of Earth, which looks like what an actual photo you might take of the Earth, is based on observations captured by MODIS, the Moderate Resolution Imaging Spectroradiometer, on NASA’s Terra satellite. In this image, as students view Earth from space, they can observe oceans and wa

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        The Blue Marble

        This video of Earth was created using a collection of data from NASA satellite-based observations. NASA scientists and data visualizers stitched together the data to create the mosaic of Earth. Students view the surface of Earth and discover that most of it is covered by water.

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        Arctic Sea Ice

        In this NASA image of sea ice (white areas) and seawater (dark areas) in the Arctic Ocean, students are introduced to changing states of water when solid sea ice melts and changes back to liquid.

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        The Colorado River

        In this image of the Colorado River Basin captured by the U.S. Geological Survey (USGS), students are introduced to a freshwater resource that extends 1,450 miles, from Colorado to Mexico.

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        An Alaskan Lake

        In this image from NASA, students view a freshwater lake in liquid-water form near Fairbanks, Alaska.

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