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Advancing Earth System Science to meet the challenges of climate and environmental change.
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Earth: Swirls along an Ice Highway ▲
Sea water off the east coast of Greenland looked a bit like marbled paper in October 2012.
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Seeking to understanding the Sun and its interactions with the Earth and solar system.
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Sun: Magnetic Arcs ▲
An M5 flare (medium-size) associated with a coronal mass ejection generated a fairly robust radiation storm (May 22-23, 2013). The outburst originated from active region right near the right edge of the Sun. After the eruption, cascades of magnetic loops spun up above the area as the magnetic fields tried to reorganize themselves. When viewed in profile, they put on a marvelous display of solar activity. The images are a combination of two wavelengths of extreme ultraviolet light (at 171 and 304 Angstroms). Credit: NASA's Solar Dynamics Observatory.
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Ascertaining the content, origin and evolution of the solar system and the potential for life elsewhere.
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Saturn: The Face of Beauty ▲
The gas planet's subtle northward gradation from gold to azure is a striking visual effect that scientists don't fully understand.
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Discovering how the universe works, exploring how the universe began and evolved, and searching for Earth-sized planets.
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Nebula: Hubble Looks at the Monkey Head Nebula (NGC 2174)
This colorful Hubble mosaic of a small portion of the Monkey Head Nebula unveils a collection of carved knots of gas and dust silhouetted against glowing gas.
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James Webb Space Telescope: A large space telescope, optimized for infrared wavelengths.
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Primary Mirrors: First six of 18 ▲
The first six flight ready primary mirror segments are prepped to begin final cryogenic testing at NASA's Marshall Space Flight Center.
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Interactive Satellite Tracker (iSAT) is a browser based application that allows you to track all NASA Science Satellite Missions, as well as other satellites. Enjoy this free tool at home or in the classroom!
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The Joint Agency Satellite Division (JASD) is an organization within NASA’s Science Mission Directorate with broad cross-cutting responsibilities. In partnership with the National Oceanic and Atmospheric Administration (NOAA), JASD manages the development and launch of reimbursable satellite programs, projects, and instruments.
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Image of the Day
One of the Expedition 35 crew members on the International Space Station used a still camera with a 400 millimeter ...
Balance Mass Challenge
The Mars Balance Mass Challenge seeks design ideas for small science and technology payloads that could potentially provide dual purpose as ejectable balance masses on spacecraft entering the Martian atmosphere.
Latest ScienceCast
At the end of a day devoted to Earth, people can look to the heavens for a beautiful shower of Lyrid meteors.
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