As Voyager 1 recedes from the solar system, researchers are listening for "interstellar music" (a.k.a. plasma waves) to learn more about conditions outside the heliosphere.
Astronauts aren't the only ones who need to worry about solar flares. Ordinary air travelers can also be exposed to significant doses of radiation during solar storms. A new computer model developed by NASA aims to help protect the public by predicting space weather hazards to aviation.
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Comet ISON is still more than two months away from its spectacular close encounter with the sun. Already, the brightening comet has become a good target for backyard telescopes in the pre-dawn sky.
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Sometimes, Earth mimics a supernova, producing a Terrestrial Gamma-ray Flash from the tops of thunderstorms. A new lightning sensor on the International Space Station could solve the mystery of these energetic bursts.
ScienceCasts are short videos about fun, interesting, and unusual science topics encountered by NASA’s science missions.
For more, please visit science.nasa.gov/