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Heliophysics Topics

  • Space Weatherrocket ready for launch

    1999April 6, 2011

    A NASA rocket is poised to blast off from Norway to study Space Weatherhigh above the Arctic circle.

  • Io or Bust

    1999April 6, 2011

    NASA's Galileo spacecraft flies by Callisto today in an orbital maneuver designed to send the craft hurtling towards an encounter with the volcanic moon Io. Getting there won't be easy. The spacecraft has to survive extreme radiation from Jupiter's inner magnetosphere before it can rendezvous with Io later this year.

  • Learning how to make a clean sweep in space

    1999Sept. 20, 2011

    How do you clean dust in space where a vacuum cleaner won't work? A solution starts with understanding how a single grain of dust - in this case, like that from rocket motors - behaves in space.

  • Up, Up, and away to the Magnetosphere

    1999April 6, 2011

    A Space Weatherrocket blasted off from a launch pad in Norway, early this morning. During its successful 20 minute flight, its instruments gathered valuable data on the auroral fountain, where solar wind directly interacts with Earth's atmosphere.

  • Rocket will study Space Weathereffects

    1999April 6, 2011

    Scientists plan a CAPER to study the solar wind high above the arctic circle, in Norway. They hope to find out how atoms from Earth's upper atmosphere have escaped to become part of Earth's "auroral fountain."

  • Arctic CAPER ready for countdown

    1999April 6, 2011

    A rocket set to study Space Weathereffects will launch from above the arctic circle very soon if all goes well.

  • How do gusts in solar wind stir the aurora?

    1999April 6, 2011

    NASA Scientist studies data from 3 satellites to figure out what stirs up Earth's Northern Lights.

  • The Warp and Woof of a Geomagnetic Storm

    1999April 6, 2011

    Using a team of three satellites, scientists are studying what happens when a solar coronal mass ejection strikes the Earth. This story includes a new Quicktime animation of a coronal mass ejection and the aurora borealis.

  • Plasma, Plasma, Everywhere

    1999April 6, 2011

    A NASA scientist has created a new model of the plasmasphere surrounding our world, building on the work of previous models. Earth's complicated plasma environment directly affects our life on Earth - from radio transmissions and power grids to satellite safety.

  • Aurora Alert

    1999April 6, 2011

    A blast of solar wind from the Sun on October 21 is creating strong geomagnetic storm conditions a day later. The Ultraviolet Imager onboard the POLAR spacecraft has captured dramatic images of the storm as seen from Earth orbit.