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Astronauts and Robots 2015: Marco Velli, UCLA

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American Astronautical Society, Astronauts and Robots: Partners in Space Exploration, May 12-13, 2015 - http://astronautical.org/event/astronauts-robots

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Astronauts and Robots 2015: Marco Velli, UCLA

  1. 1. 1 Panorama from STEREO A & B imaging the heliosphere from the Sun to Earth (JPL image) Marco Velli1,2, Neil Murphy2 1UCLA 2JPL Heliophysics Understanding the Sun and its Interactions with the Earth and the Solar System
  2. 2. 2 Heliophysics Science Goals 2013 Heliophysics Decadal Report, “Solar and Space Physics: A Science for a Technological Society” • Determine the origins of the Sun’s activity and predict the resulting variations of the space environment (Space Weather Forecasting) • Determine the dynamics & coupling of Earth’s magnetosphere, ionosphere & atmosphere and their response to solar and terrestrial inputs (Geospace) • Determine interaction of the Sun with the solar system & interstellar medium • Discover and characterize fundamental processes that occur both within the heliosphere and throughout the universe (particle acceleration, magnetic reconnection, shock heating, etc.)
  3. 3. Scales of interest range from 10s of km to 100s of AU Measurable quantities include electromagnetic radiation, (from Gamma rays to long wave radio), electrons, protons, neutrons, ions and neutral atoms
  4. 4. Structure of the outer heliosphere Initial model Actual measurement ation er
  5. 5. Heating the low solar atmosphere 5 Slit-Jaw images and Spectra from the IRIS mission

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