Sun ID: 4699 The CME Heard ‘Round the Solar System Visualizations by Tom Bridgman Released on November 30, 2018

THE SUN can be LETHAL at ANYTIME.. betcha didn’t know!

Energetic events at the Sun can reverberate around the solar system.

This visualization combines data from particle detectors around the solar system with an Enlil simulation of multiple coronal mass ejections (CMEs) in early September 2017. The Enlil model extends from 0.1 astronomical units (AUs) from the Sun (this is reponsible for the empty region around the Sun at the center of the system) out to 5 AUs.

Stream Interaction Regions (SIRs) are created by the interaction at boundaries between the fast and slow solar wind (usually defined by coronal holes). In this model, they are represented by blue spirals streaming out from the sun at the center.

Active Region 12673 erupted with several X-class flares and CMEs on September 9-10, 2017. The initial CME was slow (500 km/s) and the subsequent CMEs were faster (1000 km/s and 2600 km/s, respectively). Eventually the CMEs merged together and continued outward.

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