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Heliophysics - Space Weather Topics

  • Solar Eclipse

    2003April 6, 2011

    Sky watchers in Europe, Asia, and parts of Alaska and Canada will experience a partial eclipse of the Sun on Saturday, May 31st.

  • Solar Superstorm

    2003April 6, 2011

    Scientists are beginning to understand a historic solar storm in 1859. One day, they say, it could happen again.

  • Voyager 1, Prepare for Action

    2004April 6, 2011

    At the outer limits of our solar system, a solar shock wave is about to overtake NASA's Voyager 1 spacecraft.

  • Solar Minimum is Coming

    2004April 6, 2011

    Something strange happened on the sun last week: all the sunspots vanished. This is a sign, say forecasters, that solar minimum is coming sooner than expected.