Five phase mission to study earth's auroras; mission extended to 2012. Themis B and C retasked as Artemis mission to L1 and L2.
Five phase mission to study earth's auroras; mission extended to 2012. Themis B and C retasked as Artemis mission to L1 and L2.
Five phase mission to study earth's auroras; mission extended to 2012. Themis B and C retasked as Artemis mission to L1 and L2.