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Earth Matters

Satellites as Superheroes

November 2nd, 2015 by Adam Voiland


Usually, comic book heroes wear tight pants and have superhuman strength. In the new educational manga Raindrop Tales from NASA, one of the heroes (Mizu-chan) evaporates water with her hair. The other (GPM) rides on a 3,900-kilogram satellite that observes rain and snow.

Look carefully at the art in the screenshots above, and you will find some telling details. Mizu-chan wears a flowing blue dress that symbolizes the many forms of water (snow, ice, rain, hail, water vapor, fresh water, salt water, etc.) found on Earth. Notice how her hemline is surrounded by clouds. Depending on her mood, the clouds form different types of precipitation.

GPM—named after the Global Precipitation Measurement mission—has blond hair and wears a kimono with a rain pattern on one half and a snow pattern on the other. Though he rides atop the GPM Core Observatory, that does not mean he has free reign over the satellite. Read the full comic to find out how GPM deals with meddlesome managers on the ground and what happens when he meets a diverse cast of characters in space.

The new manga is the culmination of an anime challenge sponsored by GPM’s education and outreach team. They made a call to artists from around the world to develop anime-themed comic book characters that could be used to teach students about the mission. Yuki Kiriga of Tokyo developed the GPM character; Sabrynne Buchholz of Colorado developed Mizu-chan. See some of their winning artwork below.


After finishing the manga, you may want to learn more about water. If so, try this story about the water cycle. “Viewed from space, one of the most striking features of our home planet is the water, in both liquid and frozen forms, that covers approximately 75 percent of the Earth’s surface,” the story begins.


The vast majority (about 96.5 percent) of that water, of course, fills the oceans. As for the rest of it, approximately 1.7 percent of Earth’s water is stored in the polar icecaps, glaciers, and permanent snow; another 1.7 percent is stored in groundwater, lakes, rivers, streams, and soil.

Only .001 percent of the water on Earth exists as water vapor in the atmosphere. But that tiny fraction is what GPM sees the best. To get a sense of the data GPM is collecting on a routine basis, see this story about the devastating rains that struck South Carolina in October 2015.



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