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Image of the Day
Supercomputer Simulation of Magnetic Field Loops on the Sun

November 25, 2014

Magnetic fields emerging from below the surface of the sun influence the solar wind—a stream of particles that blows continuously ...

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Balance Mass Challenge
Mars 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.

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Latest ScienceCast
Young Volcanoes on the Moon YouTube Video

Researchers using NASA's Lunar Reconnaissance Orbiter have found signs of geologically-recent volcanic eruptions on Earth's natural satellite.

Watch our latest ScienceCast: Young Volcanoes on the Moon