Ground-to-Rocket Electrodynamics-Electrons Correlative Experiment (GREECE)

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GREECE launches from Poker. Photo by Chris Perry36.287 UE Black Brant IX was launched from Poker Flat Research Range on March 3, 2014. The purpose of the GREECE (Ground-to-Rocket Electrodynamics-Electrons Correlative Experiment) is to significantly enhance our knowledge of the structure and dynamics of the electron precipitation responsible for the aurora, on both large and small scales, which can ultimately be used to set stronger constraints on models of auroral electrodynamics. This mission investigated the electrodynamics associated with the most dynamic, fluid-like auroral structures that occur at substorm onset using a sounding rocket. In addition to the rocket, the science closure depended on heavy use of supporting ground-based optical auroral imaging at downrange sites, under the payload trajectory. This new payload carried two new electron detectors, a new ion detector, electric field sensors, and magnetic field sensors. Multiple narrow field and all-sky imagers also viewed the auroral structures from a downrange site at Venetie. The Principal Investigator was Dr. Marilia Samara/South West Reserach Institute.

For more information on the GREECE mission see:




Drawing of a Terrier-Black Brant sounding rocket

The Black Brant 9 is a two stage sounding rocket with a Terrier first stage and Black Brant second stage. The Black Brant 9 can reach altitudes of about 600 km. Payloads weighing from 400 to 1200 pounds can be flown.

Additional sounding rocket vehicles

Google Earth image of Poker Flat Research Range.

The Ground-to-Rocket Electrodynamics-Electrons Correlative Experiment was launched from Poker Flat Research Range on March 3, 2014.