Observations of a New Foreshock Region Upstream of a Foreshock Bubble’s Shock

Terry Zixu Liu1, Heli Hietala2, Vassilis Angelopoulos1 and Drew L Turner3, (1)University of California Los Angeles, Earth, Planetary, and Space Sciences, Los Angeles, CA, United States, (2)University of California Los Angeles, Los Angeles, United States, (3)The Aerospace Corporation, El Segundo, CA, United States