THEMIS Spacecraft (IMAGE) DOE/Lawrence Berkeley National Laboratory Caption One of the five THEMIS spacecraft prior to launch. Its two solid-state telescope units, each with two opposite-facing SSTs incorporating four silicon detectors each, are mounted on the near edge. Credit UC Berkeley Space Sciences Laboratory Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.